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DQ_000544
How many stages are under Windward Side?
question_images/rain_shadow_8183.png
a. 4, b. 3, c. 5, d. 2
b
DQ_000541
image
question_images/rain_shadow_8183.png
rain_shadow_8183.png
1
DQ_000544
How many stages are under Windward Side?
question_images/rain_shadow_8183.png
a. 4, b. 3, c. 5, d. 2
b
DQ_000519
image
question_images/rain_shadow_7532.png
rain_shadow_7532.png
0.829084
DQ_000544
How many stages are under Windward Side?
question_images/rain_shadow_8183.png
a. 4, b. 3, c. 5, d. 2
b
DQ_000524
image
question_images/rain_shadow_7534.png
rain_shadow_7534.png
0.793263
DQ_000544
How many stages are under Windward Side?
question_images/rain_shadow_8183.png
a. 4, b. 3, c. 5, d. 2
b
DD_0024
image
teaching_images/rain_shadow_8185.png
The diagram is a representation of how a rain shadow is formed. A rain shadow is a dry region of land on the side of a mountain range that is protected from the prevailing winds. Prevailing winds are the winds that occur most of the time in a particular location on the Earth. The protected side of a mountain range is also called the lee side or the down-wind side. Prevailing winds carry air toward the mountain range. As the air rises up over a mountain range, the air cools, water vapor condenses, and clouds form. On this side of the mountains, called the windward side, precipitation falls in the form of rain or snow. The windward side of a mountain range is moist and lush because of this precipitation. Once the air passes over the mountain range, it moves down the other side, warms, and dries out. This dry air produces a rain shadow. Land in a rain shadow is typically very dry and receives much less precipitation and cloud cover than land on the windward side of the mountain range.
0.790095
DQ_000544
How many stages are under Windward Side?
question_images/rain_shadow_8183.png
a. 4, b. 3, c. 5, d. 2
b
DQ_000536
image
question_images/rain_shadow_7537.png
rain_shadow_7537.png
0.788183
DQ_000544
How many stages are under Windward Side?
question_images/rain_shadow_8183.png
a. 4, b. 3, c. 5, d. 2
b
DD_0023
image
teaching_images/rain_shadow_7524.png
This diagram shows the effect of rains on hills. The moist air from the green side of the hills rising up in the air and condenses as water vapor. This is called precipitation. The other side of the hill form the rain shadow region. Rain shadow region is a region having little rainfall because it is sheltered from prevailing rain-bearing winds by a range of hills. The dry air descends from this region.
0.766362
DQ_000544
How many stages are under Windward Side?
question_images/rain_shadow_8183.png
a. 4, b. 3, c. 5, d. 2
b
DQ_000512
image
question_images/rain_shadow_7529.png
rain_shadow_7529.png
0.762137
DQ_000544
How many stages are under Windward Side?
question_images/rain_shadow_8183.png
a. 4, b. 3, c. 5, d. 2
b
DQ_000546
image
question_images/rain_shadow_8184.png
rain_shadow_8184.png
0.753115
DQ_000544
How many stages are under Windward Side?
question_images/rain_shadow_8183.png
a. 4, b. 3, c. 5, d. 2
b
DQ_000533
image
question_images/rain_shadow_7536.png
rain_shadow_7536.png
0.749787
DQ_000544
How many stages are under Windward Side?
question_images/rain_shadow_8183.png
a. 4, b. 3, c. 5, d. 2
b
DQ_000527
image
question_images/rain_shadow_7535.png
rain_shadow_7535.png
0.734803
DQ_000544
How many stages are under Windward Side?
question_images/rain_shadow_8183.png
a. 4, b. 3, c. 5, d. 2
b
T_1648
text
null
People have always tried to quantify the size of and damage done by earthquakes. Since early in the 20th century, there have been three methods. What are the strengths and weaknesses of each?
0.39046
DQ_000544
How many stages are under Windward Side?
question_images/rain_shadow_8183.png
a. 4, b. 3, c. 5, d. 2
b
T_0049
text
null
When the wind deposits sand, it forms small hills of sand. These hills are called sand dunes. For sand dunes to form, there must be plenty of sand and wind. Sand dunes are found mainly in deserts and on beaches. You can see examples of sand dunes in Figure 10.23.
0.390363
DQ_000544
How many stages are under Windward Side?
question_images/rain_shadow_8183.png
a. 4, b. 3, c. 5, d. 2
b
T_0049
text
null
When the wind deposits sand, it forms small hills of sand. These hills are called sand dunes. For sand dunes to form, there must be plenty of sand and wind. Sand dunes are found mainly in deserts and on beaches. You can see examples of sand dunes in Figure 10.23.
0.390363
DQ_000544
How many stages are under Windward Side?
question_images/rain_shadow_8183.png
a. 4, b. 3, c. 5, d. 2
b
T_1755
text
null
The property that changes most strikingly with altitude is air temperature. Unlike the change in pressure and density, which decrease with altitude, changes in air temperature are not regular. A change in temperature with distance is called a temperature gradient.
0.387902
DQ_000544
How many stages are under Windward Side?
question_images/rain_shadow_8183.png
a. 4, b. 3, c. 5, d. 2
b
T_1354
text
null
There are several factors that increase the chance that a landslide will occur. Some of these we can prevent and some we cannot.
0.38649
DQ_000544
How many stages are under Windward Side?
question_images/rain_shadow_8183.png
a. 4, b. 3, c. 5, d. 2
b
T_0799
text
null
Many processes create mountains. Most mountains form along plate boundaries. A few mountains may form in the middle of a plate. For example, huge volcanoes are mountains formed at hotspots within the Pacific Plate.
0.38072
DQ_000544
How many stages are under Windward Side?
question_images/rain_shadow_8183.png
a. 4, b. 3, c. 5, d. 2
b
T_0866
text
null
New land is created in volcanic eruptions. The Hawaiian Islands are shield volcanoes. These volcanoes formed from fluid lava (Figure 8.21). The island grows as lava is added on the coast. New land may also emerge from lava that erupts from beneath the water. This is one way that new land is created.
0.380325
DQ_000544
How many stages are under Windward Side?
question_images/rain_shadow_8183.png
a. 4, b. 3, c. 5, d. 2
b
T_1753
text
null
The atmosphere is layered, corresponding with how the atmospheres temperature changes with altitude. By under- standing the way temperature changes with altitude, we can learn a lot about how the atmosphere works.
0.377246
DQ_000544
How many stages are under Windward Side?
question_images/rain_shadow_8183.png
a. 4, b. 3, c. 5, d. 2
b
T_0804
text
null
Where an earthquake takes place is described by its focus and epicenter.
0.377051
DQ_000544
How many stages are under Windward Side?
question_images/rain_shadow_8183.png
a. 4, b. 3, c. 5, d. 2
b
T_0293
text
null
Climate is the average weather of a place over many years. It includes average temperatures. It also includes average precipitation. The timing of precipitation is part of climate as well. What determines the climate of a place? Latitude is the main factor. A nearby ocean or mountain range can also play a role.
0.375324
DQ_000545
Which side receives rain?
question_images/rain_shadow_8183.png
a. the moon, b. windward side, c. rain shadow desert, d. leeward side
b
DQ_000541
image
question_images/rain_shadow_8183.png
rain_shadow_8183.png
1
DQ_000545
Which side receives rain?
question_images/rain_shadow_8183.png
a. the moon, b. windward side, c. rain shadow desert, d. leeward side
b
DQ_000519
image
question_images/rain_shadow_7532.png
rain_shadow_7532.png
0.829084
DQ_000545
Which side receives rain?
question_images/rain_shadow_8183.png
a. the moon, b. windward side, c. rain shadow desert, d. leeward side
b
DQ_000524
image
question_images/rain_shadow_7534.png
rain_shadow_7534.png
0.793263
DQ_000545
Which side receives rain?
question_images/rain_shadow_8183.png
a. the moon, b. windward side, c. rain shadow desert, d. leeward side
b
DD_0024
image
teaching_images/rain_shadow_8185.png
The diagram is a representation of how a rain shadow is formed. A rain shadow is a dry region of land on the side of a mountain range that is protected from the prevailing winds. Prevailing winds are the winds that occur most of the time in a particular location on the Earth. The protected side of a mountain range is also called the lee side or the down-wind side. Prevailing winds carry air toward the mountain range. As the air rises up over a mountain range, the air cools, water vapor condenses, and clouds form. On this side of the mountains, called the windward side, precipitation falls in the form of rain or snow. The windward side of a mountain range is moist and lush because of this precipitation. Once the air passes over the mountain range, it moves down the other side, warms, and dries out. This dry air produces a rain shadow. Land in a rain shadow is typically very dry and receives much less precipitation and cloud cover than land on the windward side of the mountain range.
0.790095
DQ_000545
Which side receives rain?
question_images/rain_shadow_8183.png
a. the moon, b. windward side, c. rain shadow desert, d. leeward side
b
DQ_000536
image
question_images/rain_shadow_7537.png
rain_shadow_7537.png
0.788183
DQ_000545
Which side receives rain?
question_images/rain_shadow_8183.png
a. the moon, b. windward side, c. rain shadow desert, d. leeward side
b
DD_0023
image
teaching_images/rain_shadow_7524.png
This diagram shows the effect of rains on hills. The moist air from the green side of the hills rising up in the air and condenses as water vapor. This is called precipitation. The other side of the hill form the rain shadow region. Rain shadow region is a region having little rainfall because it is sheltered from prevailing rain-bearing winds by a range of hills. The dry air descends from this region.
0.766362
DQ_000545
Which side receives rain?
question_images/rain_shadow_8183.png
a. the moon, b. windward side, c. rain shadow desert, d. leeward side
b
DQ_000512
image
question_images/rain_shadow_7529.png
rain_shadow_7529.png
0.762137
DQ_000545
Which side receives rain?
question_images/rain_shadow_8183.png
a. the moon, b. windward side, c. rain shadow desert, d. leeward side
b
DQ_000546
image
question_images/rain_shadow_8184.png
rain_shadow_8184.png
0.753115
DQ_000545
Which side receives rain?
question_images/rain_shadow_8183.png
a. the moon, b. windward side, c. rain shadow desert, d. leeward side
b
DQ_000533
image
question_images/rain_shadow_7536.png
rain_shadow_7536.png
0.749787
DQ_000545
Which side receives rain?
question_images/rain_shadow_8183.png
a. the moon, b. windward side, c. rain shadow desert, d. leeward side
b
DQ_000527
image
question_images/rain_shadow_7535.png
rain_shadow_7535.png
0.734803
DQ_000545
Which side receives rain?
question_images/rain_shadow_8183.png
a. the moon, b. windward side, c. rain shadow desert, d. leeward side
b
T_1771
text
null
Thunderstorms are extremely common. Worldwide there are 14 million per year thats 40,000 per day! Most drop a lot of rain on a small area quickly, but some are severe and highly damaging.
0.559821
DQ_000545
Which side receives rain?
question_images/rain_shadow_8183.png
a. the moon, b. windward side, c. rain shadow desert, d. leeward side
b
T_0272
text
null
Thunderstorms are are known for their heavy rains and lightning. In strong thunderstorms, hail and high winds are also likely. Thunderstorms are very common. Worldwide, there are about 14 million of them each year! In the U.S., they are most common and strongest in the Midwest.
0.545024
DQ_000545
Which side receives rain?
question_images/rain_shadow_8183.png
a. the moon, b. windward side, c. rain shadow desert, d. leeward side
b
T_1563
text
null
Precipitation (Figure 1.1) is an extremely important part of weather. Water vapor condenses and usually falls to create precipitation.
0.544469
DQ_000545
Which side receives rain?
question_images/rain_shadow_8183.png
a. the moon, b. windward side, c. rain shadow desert, d. leeward side
b
T_0248
text
null
What do temperature, clouds, winds, and rain have in common? They are all part of weather. Weather refers to the conditions of the atmosphere at a given time and place.
0.539296
DQ_000545
Which side receives rain?
question_images/rain_shadow_8183.png
a. the moon, b. windward side, c. rain shadow desert, d. leeward side
b
T_0286
text
null
Predicting the weather requires a lot of weather data. Technology is used to gather the data and computers are used to analyze the data. Using this information gives meteorologists the best chance of predicting the weather.
0.537973
DQ_000545
Which side receives rain?
question_images/rain_shadow_8183.png
a. the moon, b. windward side, c. rain shadow desert, d. leeward side
b
T_0199
text
null
Without the atmosphere, there would be no clouds or rain. In fact, there would be no weather at all. Most weather occurs because the atmosphere heats up more in some places than others.
0.537887
DQ_000545
Which side receives rain?
question_images/rain_shadow_8183.png
a. the moon, b. windward side, c. rain shadow desert, d. leeward side
b
T_0259
text
null
Clouds are needed for precipitation. This may fall as liquid water, or it may fall as frozen water, such as snow.
0.536023
DQ_000545
Which side receives rain?
question_images/rain_shadow_8183.png
a. the moon, b. windward side, c. rain shadow desert, d. leeward side
b
T_0250
text
null
The water cycle plays an important role in weather. When liquid water evaporates, it causes humidity. When water vapor condenses, it forms clouds and precipitation. Humidity, clouds, and precipitation are all important weather factors.
0.535603
DQ_000545
Which side receives rain?
question_images/rain_shadow_8183.png
a. the moon, b. windward side, c. rain shadow desert, d. leeward side
b
T_1564
text
null
Some precipitation forms in place. Dew forms when moist air cools below its dew point on a cold surface. Frost is dew that forms when the air temperature is below freezing.
0.525813
DQ_000545
Which side receives rain?
question_images/rain_shadow_8183.png
a. the moon, b. windward side, c. rain shadow desert, d. leeward side
b
T_1235
text
null
The high and low pressure areas created by the six atmospheric circulation cells also determine in a general way the amount of precipitation a region receives. Rain is common in low pressure regions due to rising air. Air sinking in high pressure areas causes evaporation; these regions are usually dry. These features have a great deal of influence on climate.
0.522089
DQ_000546
What is the direction of moist air?
question_images/rain_shadow_8184.png
a. Downwards, b. Right, c. Upwards, d. Left
c
DQ_000546
image
question_images/rain_shadow_8184.png
rain_shadow_8184.png
1
DQ_000546
What is the direction of moist air?
question_images/rain_shadow_8184.png
a. Downwards, b. Right, c. Upwards, d. Left
c
DQ_000524
image
question_images/rain_shadow_7534.png
rain_shadow_7534.png
0.829412
DQ_000546
What is the direction of moist air?
question_images/rain_shadow_8184.png
a. Downwards, b. Right, c. Upwards, d. Left
c
DD_0024
image
teaching_images/rain_shadow_8185.png
The diagram is a representation of how a rain shadow is formed. A rain shadow is a dry region of land on the side of a mountain range that is protected from the prevailing winds. Prevailing winds are the winds that occur most of the time in a particular location on the Earth. The protected side of a mountain range is also called the lee side or the down-wind side. Prevailing winds carry air toward the mountain range. As the air rises up over a mountain range, the air cools, water vapor condenses, and clouds form. On this side of the mountains, called the windward side, precipitation falls in the form of rain or snow. The windward side of a mountain range is moist and lush because of this precipitation. Once the air passes over the mountain range, it moves down the other side, warms, and dries out. This dry air produces a rain shadow. Land in a rain shadow is typically very dry and receives much less precipitation and cloud cover than land on the windward side of the mountain range.
0.811509
DQ_000546
What is the direction of moist air?
question_images/rain_shadow_8184.png
a. Downwards, b. Right, c. Upwards, d. Left
c
DD_0023
image
teaching_images/rain_shadow_7524.png
This diagram shows the effect of rains on hills. The moist air from the green side of the hills rising up in the air and condenses as water vapor. This is called precipitation. The other side of the hill form the rain shadow region. Rain shadow region is a region having little rainfall because it is sheltered from prevailing rain-bearing winds by a range of hills. The dry air descends from this region.
0.784684
DQ_000546
What is the direction of moist air?
question_images/rain_shadow_8184.png
a. Downwards, b. Right, c. Upwards, d. Left
c
DQ_000536
image
question_images/rain_shadow_7537.png
rain_shadow_7537.png
0.78379
DQ_000546
What is the direction of moist air?
question_images/rain_shadow_8184.png
a. Downwards, b. Right, c. Upwards, d. Left
c
DQ_000533
image
question_images/rain_shadow_7536.png
rain_shadow_7536.png
0.780351
DQ_000546
What is the direction of moist air?
question_images/rain_shadow_8184.png
a. Downwards, b. Right, c. Upwards, d. Left
c
DQ_000512
image
question_images/rain_shadow_7529.png
rain_shadow_7529.png
0.777888
DQ_000546
What is the direction of moist air?
question_images/rain_shadow_8184.png
a. Downwards, b. Right, c. Upwards, d. Left
c
DD_0176
image
teaching_images/cycle_water_1503.png
This diagram shows the processes of the water cycle. It takes place on, above, and below Earths surface. During the water cycle, water occurs in three different states: gas (water vapor), liquid (water), and solid (ice). Many processes are involved as water changes state to move through the cycle. One of the processes is called Evaporation. It takes place when water on Earths surface changes to water vapor. The sun heats the water and turns it into water vapor which escapes up into the atmosphere. Most evaporation occurs from the surface of the ocean. Sublimation is another process takes place when snow and ice on Earths surface change directly to water vapor without first melting to form liquid water. This also happens because of heat from the sun. Transpiration is yet another process that takes place when plants release water vapor through pores in their leaves called stomata. As the water vapor rises up into the earth's atmosphere, it cools and condenses. Condensation is the process of converting water vapor into water droplets.If the droplets get big enough, they fall as precipitation. Precipitation is any form of water that falls from the atmosphere. Precipitation that falls on land may flow over the surface of the ground. This water is called runoff.The runoff may reach a water body such as an ocean or get soaked into the ground.
0.775017
DQ_000546
What is the direction of moist air?
question_images/rain_shadow_8184.png
a. Downwards, b. Right, c. Upwards, d. Left
c
DQ_009007
image
question_images/cycle_water_4927.png
cycle_water_4927.png
0.773322
DQ_000546
What is the direction of moist air?
question_images/rain_shadow_8184.png
a. Downwards, b. Right, c. Upwards, d. Left
c
DQ_000507
image
question_images/rain_shadow_7525.png
rain_shadow_7525.png
0.77114
DQ_000546
What is the direction of moist air?
question_images/rain_shadow_8184.png
a. Downwards, b. Right, c. Upwards, d. Left
c
T_0251
text
null
Humidity is the amount of water vapor in the air. High humidity increases the chances of clouds and precipitation.
0.670485
DQ_000546
What is the direction of moist air?
question_images/rain_shadow_8184.png
a. Downwards, b. Right, c. Upwards, d. Left
c
T_0262
text
null
An air mass is a large body of air that has about the same conditions throughout. For example, an air mass might have cold dry air. Another air mass might have warm moist air. The conditions in an air mass depend on where the air mass formed.
0.64282
DQ_000546
What is the direction of moist air?
question_images/rain_shadow_8184.png
a. Downwards, b. Right, c. Upwards, d. Left
c
T_1797
text
null
The two types of air pollutants are primary pollutants, which enter the atmosphere directly, and secondary pollutants, which form from a chemical reaction.
0.636836
DQ_000546
What is the direction of moist air?
question_images/rain_shadow_8184.png
a. Downwards, b. Right, c. Upwards, d. Left
c
T_0914
text
null
An air mass is a batch of air that has nearly the same temperature and humidity (Figure 1.1). An air mass acquires these characteristics above an area of land or water known as its source region. When the air mass sits over a region for several days or longer, it picks up the distinct temperature and humidity characteristics of that region.
0.636007
DQ_000546
What is the direction of moist air?
question_images/rain_shadow_8184.png
a. Downwards, b. Right, c. Upwards, d. Left
c
T_1564
text
null
Some precipitation forms in place. Dew forms when moist air cools below its dew point on a cold surface. Frost is dew that forms when the air temperature is below freezing.
0.633222
DQ_000546
What is the direction of moist air?
question_images/rain_shadow_8184.png
a. Downwards, b. Right, c. Upwards, d. Left
c
T_0916
text
null
Air masses are slowly pushed along by high-level winds. When an air mass moves over a new region, it shares its temperature and humidity with that region. So the temperature and humidity of a particular location depends partly on the characteristics of the air mass that sits over it.
0.629639
DQ_000546
What is the direction of moist air?
question_images/rain_shadow_8184.png
a. Downwards, b. Right, c. Upwards, d. Left
c
T_0252
text
null
Humidity usually refers to relative humidity. This is the percent of water vapor in the air relative to the total amount the air can hold. How much water vapor can the air hold? That depends on temperature. Warm air can hold more water vapor than cool air. You can see this in Figure 16.1.
0.627659
DQ_000546
What is the direction of moist air?
question_images/rain_shadow_8184.png
a. Downwards, b. Right, c. Upwards, d. Left
c
T_0250
text
null
The water cycle plays an important role in weather. When liquid water evaporates, it causes humidity. When water vapor condenses, it forms clouds and precipitation. Humidity, clouds, and precipitation are all important weather factors.
0.617895
DQ_000546
What is the direction of moist air?
question_images/rain_shadow_8184.png
a. Downwards, b. Right, c. Upwards, d. Left
c
T_0457
text
null
There are two basic types of pollutants in air. They are known as primary pollutants and secondary pollutants.
0.61376
DQ_000546
What is the direction of moist air?
question_images/rain_shadow_8184.png
a. Downwards, b. Right, c. Upwards, d. Left
c
T_1018
text
null
To make a weather forecast, the conditions of the atmosphere must be known for that location and for the surrounding area. Temperature, air pressure, and other characteristics of the atmosphere must be measured and the data collected.
0.61139
DQ_000547
What separates moist air from dry air?
question_images/rain_shadow_8184.png
a. the region of rain shadow, b. mountain, c. rain, d. sea
a
DQ_000546
image
question_images/rain_shadow_8184.png
rain_shadow_8184.png
1
DQ_000547
What separates moist air from dry air?
question_images/rain_shadow_8184.png
a. the region of rain shadow, b. mountain, c. rain, d. sea
a
DQ_000524
image
question_images/rain_shadow_7534.png
rain_shadow_7534.png
0.829412
DQ_000547
What separates moist air from dry air?
question_images/rain_shadow_8184.png
a. the region of rain shadow, b. mountain, c. rain, d. sea
a
DD_0024
image
teaching_images/rain_shadow_8185.png
The diagram is a representation of how a rain shadow is formed. A rain shadow is a dry region of land on the side of a mountain range that is protected from the prevailing winds. Prevailing winds are the winds that occur most of the time in a particular location on the Earth. The protected side of a mountain range is also called the lee side or the down-wind side. Prevailing winds carry air toward the mountain range. As the air rises up over a mountain range, the air cools, water vapor condenses, and clouds form. On this side of the mountains, called the windward side, precipitation falls in the form of rain or snow. The windward side of a mountain range is moist and lush because of this precipitation. Once the air passes over the mountain range, it moves down the other side, warms, and dries out. This dry air produces a rain shadow. Land in a rain shadow is typically very dry and receives much less precipitation and cloud cover than land on the windward side of the mountain range.
0.811509
DQ_000547
What separates moist air from dry air?
question_images/rain_shadow_8184.png
a. the region of rain shadow, b. mountain, c. rain, d. sea
a
DD_0023
image
teaching_images/rain_shadow_7524.png
This diagram shows the effect of rains on hills. The moist air from the green side of the hills rising up in the air and condenses as water vapor. This is called precipitation. The other side of the hill form the rain shadow region. Rain shadow region is a region having little rainfall because it is sheltered from prevailing rain-bearing winds by a range of hills. The dry air descends from this region.
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DQ_000547
What separates moist air from dry air?
question_images/rain_shadow_8184.png
a. the region of rain shadow, b. mountain, c. rain, d. sea
a
DQ_000536
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question_images/rain_shadow_7537.png
rain_shadow_7537.png
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DQ_000547
What separates moist air from dry air?
question_images/rain_shadow_8184.png
a. the region of rain shadow, b. mountain, c. rain, d. sea
a
DQ_000533
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question_images/rain_shadow_7536.png
rain_shadow_7536.png
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DQ_000547
What separates moist air from dry air?
question_images/rain_shadow_8184.png
a. the region of rain shadow, b. mountain, c. rain, d. sea
a
DQ_000512
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question_images/rain_shadow_7529.png
rain_shadow_7529.png
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DQ_000547
What separates moist air from dry air?
question_images/rain_shadow_8184.png
a. the region of rain shadow, b. mountain, c. rain, d. sea
a
DD_0176
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teaching_images/cycle_water_1503.png
This diagram shows the processes of the water cycle. It takes place on, above, and below Earths surface. During the water cycle, water occurs in three different states: gas (water vapor), liquid (water), and solid (ice). Many processes are involved as water changes state to move through the cycle. One of the processes is called Evaporation. It takes place when water on Earths surface changes to water vapor. The sun heats the water and turns it into water vapor which escapes up into the atmosphere. Most evaporation occurs from the surface of the ocean. Sublimation is another process takes place when snow and ice on Earths surface change directly to water vapor without first melting to form liquid water. This also happens because of heat from the sun. Transpiration is yet another process that takes place when plants release water vapor through pores in their leaves called stomata. As the water vapor rises up into the earth's atmosphere, it cools and condenses. Condensation is the process of converting water vapor into water droplets.If the droplets get big enough, they fall as precipitation. Precipitation is any form of water that falls from the atmosphere. Precipitation that falls on land may flow over the surface of the ground. This water is called runoff.The runoff may reach a water body such as an ocean or get soaked into the ground.
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DQ_000547
What separates moist air from dry air?
question_images/rain_shadow_8184.png
a. the region of rain shadow, b. mountain, c. rain, d. sea
a
DQ_009007
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question_images/cycle_water_4927.png
cycle_water_4927.png
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DQ_000547
What separates moist air from dry air?
question_images/rain_shadow_8184.png
a. the region of rain shadow, b. mountain, c. rain, d. sea
a
DQ_000507
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question_images/rain_shadow_7525.png
rain_shadow_7525.png
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DQ_000547
What separates moist air from dry air?
question_images/rain_shadow_8184.png
a. the region of rain shadow, b. mountain, c. rain, d. sea
a
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Humidity is the amount of water vapor in the air. High humidity increases the chances of clouds and precipitation.
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DQ_000547
What separates moist air from dry air?
question_images/rain_shadow_8184.png
a. the region of rain shadow, b. mountain, c. rain, d. sea
a
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An air mass is a batch of air that has nearly the same temperature and humidity (Figure 1.1). An air mass acquires these characteristics above an area of land or water known as its source region. When the air mass sits over a region for several days or longer, it picks up the distinct temperature and humidity characteristics of that region.
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DQ_000547
What separates moist air from dry air?
question_images/rain_shadow_8184.png
a. the region of rain shadow, b. mountain, c. rain, d. sea
a
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The two types of air pollutants are primary pollutants, which enter the atmosphere directly, and secondary pollutants, which form from a chemical reaction.
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DQ_000547
What separates moist air from dry air?
question_images/rain_shadow_8184.png
a. the region of rain shadow, b. mountain, c. rain, d. sea
a
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An air mass is a large body of air that has about the same conditions throughout. For example, an air mass might have cold dry air. Another air mass might have warm moist air. The conditions in an air mass depend on where the air mass formed.
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DQ_000547
What separates moist air from dry air?
question_images/rain_shadow_8184.png
a. the region of rain shadow, b. mountain, c. rain, d. sea
a
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Humidity usually refers to relative humidity. This is the percent of water vapor in the air relative to the total amount the air can hold. How much water vapor can the air hold? That depends on temperature. Warm air can hold more water vapor than cool air. You can see this in Figure 16.1.
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DQ_000547
What separates moist air from dry air?
question_images/rain_shadow_8184.png
a. the region of rain shadow, b. mountain, c. rain, d. sea
a
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Air masses are slowly pushed along by high-level winds. When an air mass moves over a new region, it shares its temperature and humidity with that region. So the temperature and humidity of a particular location depends partly on the characteristics of the air mass that sits over it.
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DQ_000547
What separates moist air from dry air?
question_images/rain_shadow_8184.png
a. the region of rain shadow, b. mountain, c. rain, d. sea
a
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The water cycle plays an important role in weather. When liquid water evaporates, it causes humidity. When water vapor condenses, it forms clouds and precipitation. Humidity, clouds, and precipitation are all important weather factors.
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DQ_000547
What separates moist air from dry air?
question_images/rain_shadow_8184.png
a. the region of rain shadow, b. mountain, c. rain, d. sea
a
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There are two basic types of pollutants in air. They are known as primary pollutants and secondary pollutants.
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DQ_000547
What separates moist air from dry air?
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a. the region of rain shadow, b. mountain, c. rain, d. sea
a
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Air is easy to forget about. We usually cant see it, taste it, or smell it. We can only feel it when it moves. But air is actually made of molecules of many different gases. It also contains tiny particles of solid matter.
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DQ_000547
What separates moist air from dry air?
question_images/rain_shadow_8184.png
a. the region of rain shadow, b. mountain, c. rain, d. sea
a
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Some precipitation forms in place. Dew forms when moist air cools below its dew point on a cold surface. Frost is dew that forms when the air temperature is below freezing.
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DQ_003319
How many parts does the leaf have?
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a. 1, b. 6, c. 5, d. 2
b
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abc_question_images/parts_leaf_10557.png
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1
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How many parts does the leaf have?
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a. 1, b. 6, c. 5, d. 2
b
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This diagram shows the parts of a leaf. The Blade is the broad flat part of the leaf. The Petiole is the stemlike part of the leaf that joins the blade to the stem. The Stipules are two small flaps that grow at the base of the petiole of some plants. A leaf has several veins. Veins carry food and water in a leaf. They also support the blade. The large central vein which extends from the base of the blade to its tip is called the Midrib. Smaller veins connect the midrib to other parts of the blade.
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DQ_003319
How many parts does the leaf have?
abc_question_images/parts_leaf_10557.png
a. 1, b. 6, c. 5, d. 2
b
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parts_leaf_13844.png
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DQ_003319
How many parts does the leaf have?
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a. 1, b. 6, c. 5, d. 2
b
DQ_003479
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abc_question_images/types_leaves_14418.png
types_leaves_14418.png
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DQ_003319
How many parts does the leaf have?
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a. 1, b. 6, c. 5, d. 2
b
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DQ_003319
How many parts does the leaf have?
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a. 1, b. 6, c. 5, d. 2
b
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DQ_003319
How many parts does the leaf have?
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a. 1, b. 6, c. 5, d. 2
b
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DQ_003319
How many parts does the leaf have?
abc_question_images/parts_leaf_10557.png
a. 1, b. 6, c. 5, d. 2
b
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DQ_003319
How many parts does the leaf have?
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a. 1, b. 6, c. 5, d. 2
b
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DQ_003319
How many parts does the leaf have?
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a. 1, b. 6, c. 5, d. 2
b
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DQ_003319
How many parts does the leaf have?
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a. 1, b. 6, c. 5, d. 2
b
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Plants seem to grow wherever they can. How? Plants cant move on their own. So how does a plant start growing in a new area?
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DQ_003319
How many parts does the leaf have?
abc_question_images/parts_leaf_10557.png
a. 1, b. 6, c. 5, d. 2
b
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Plants and animals depend on water to live. They also play a role in the water cycle. Plants take up water from the soil and release large amounts of water vapor into the air through their leaves (Figure 1.3), a process known as transpiration.
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DQ_003319
How many parts does the leaf have?
abc_question_images/parts_leaf_10557.png
a. 1, b. 6, c. 5, d. 2
b
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In photosynthesis, plants use CO2 and create O2 . Photosynthesis is responsible for nearly all of the oxygen currently found in the atmosphere. The chemical reaction for photosynthesis is: 6CO2 + 6H2 O + solar energy C6 H12 O6 (sugar) + 6O2
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DQ_003319
How many parts does the leaf have?
abc_question_images/parts_leaf_10557.png
a. 1, b. 6, c. 5, d. 2
b
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The most basic division of modern plants is between nonvascular and vascular plants. Vascular plants are further divided into those that reproduce without seeds and those that reproduce with seeds. Seed plants, in turn, are divided into those that produce naked seeds in cones and those that produce seeds in the ovaries of flowers.
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DQ_003319
How many parts does the leaf have?
abc_question_images/parts_leaf_10557.png
a. 1, b. 6, c. 5, d. 2
b
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All known matter can be divided into a little more than 100 different substances called elements.
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DQ_003319
How many parts does the leaf have?
abc_question_images/parts_leaf_10557.png
a. 1, b. 6, c. 5, d. 2
b
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Some fossils form when their remains are compressed by high pressure, leaving behind a dark imprint. Compression is most common for fossils of leaves and ferns, but can occur with other organisms. Click image to the left or use the URL below. URL: Click image to the left or use the URL below. URL:
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DQ_003319
How many parts does the leaf have?
abc_question_images/parts_leaf_10557.png
a. 1, b. 6, c. 5, d. 2
b
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Why do leaves change color each fall? This MIT video demonstrates an experiment about the different pigments in leaves. See the video at . Click image to the left or use the URL below. URL:
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DQ_003319
How many parts does the leaf have?
abc_question_images/parts_leaf_10557.png
a. 1, b. 6, c. 5, d. 2
b
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Water also moves through the living organisms in an ecosystem. Plants soak up large amounts of water through their roots. The water then moves up the plant and evaporates from the leaves in a process called transpiration. The process of transpiration, like evaporation, returns water back into the atmosphere.
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DQ_003319
How many parts does the leaf have?
abc_question_images/parts_leaf_10557.png
a. 1, b. 6, c. 5, d. 2
b
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Why does a tree make sound when it crashes to the ground? How does the sound reach peoples ears if they happen to be in the forest? And in general, how do sounds get started, and how do they travel? Keep reading to find out.
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DQ_003319
How many parts does the leaf have?
abc_question_images/parts_leaf_10557.png
a. 1, b. 6, c. 5, d. 2
b
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Despite these problems, there is a rich fossil record. How does an organism become fossilized?
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