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7,100
NDQ_001278
climate change
Climate can change as continents shift position.
null
null
Multiple Choice
a. true, b. false
a
7,101
NDQ_001280
climate change
Global warming will cause weather to be more extreme.
null
null
Multiple Choice
a. true, b. false
a
7,102
NDQ_001281
climate change
All global warming projections show temperature rising during this century.
null
null
Multiple Choice
a. true, b. false
a
7,103
NDQ_001282
climate change
It takes large changes in Earths climate to affect living things.
null
null
Multiple Choice
a. true, b. false
b
7,104
NDQ_001283
climate change
Only one ice age occurred over the past billion years.
null
null
Multiple Choice
a. true, b. false
b
7,105
NDQ_001284
climate change
In the Pleistocene ice age, Earths temperature was 5 C cooler than it is today.
null
null
Multiple Choice
a. true, b. false
a
7,106
NDQ_001285
climate change
During the last ice age, glaciers covered much of North America.
null
null
Multiple Choice
a. true, b. false
a
7,107
NDQ_001286
climate change
Temperatures were higher during the Medieval warm period than they have been over the past decade.
null
null
Multiple Choice
a. true, b. false
b
7,108
NDQ_001287
climate change
Plate tectonics may cause ocean currents to shift.
null
null
Multiple Choice
a. true, b. false
a
7,109
NDQ_001288
climate change
An enormous volcanic eruption would increase Earths temperature.
null
null
Multiple Choice
a. true, b. false
b
7,110
NDQ_001289
climate change
Solar storms are the main cause of recent global warming.
null
null
Multiple Choice
a. true, b. false
b
7,111
NDQ_001290
climate change
Greenhouse gases block sunlight and cool the planet.
null
null
Multiple Choice
a. true, b. false
b
7,112
NDQ_001291
climate change
The amount of carbon dioxide in the air has been increasing for many decades.
null
null
Multiple Choice
a. true, b. false
a
7,113
NDQ_001292
climate change
dramatic increase in Earths temperature since the middle of the 1800s
null
null
Multiple Choice
a. medieval warm period, b. La Nia, c. ice age, d. global warming, e. El Nio, f. upwelling, g. temperature anomaly
d
7,114
NDQ_001293
climate change
short-term climate change in which the Pacific Ocean is warmer than usual
null
null
Multiple Choice
a. medieval warm period, b. La Nia, c. ice age, d. global warming, e. El Nio, f. upwelling, g. temperature anomaly
e
7,115
NDQ_001294
climate change
slight increase in Earths temperature that occurred about 1000 years ago
null
null
Multiple Choice
a. medieval warm period, b. La Nia, c. ice age, d. global warming, e. El Nio, f. upwelling, g. temperature anomaly
a
7,116
NDQ_001295
climate change
period in Earths history when temperatures were cooler than normal
null
null
Multiple Choice
a. medieval warm period, b. La Nia, c. ice age, d. global warming, e. El Nio, f. upwelling, g. temperature anomaly
c
7,117
NDQ_001296
climate change
movement of cold water from the bottom to the surface of the ocean
null
null
Multiple Choice
a. medieval warm period, b. La Nia, c. ice age, d. global warming, e. El Nio, f. upwelling, g. temperature anomaly
f
7,118
NDQ_001297
climate change
difference from average temperature
null
null
Multiple Choice
a. medieval warm period, b. La Nia, c. ice age, d. global warming, e. El Nio, f. upwelling, g. temperature anomaly
g
7,119
NDQ_001298
climate change
short-term climate change in which the Pacific Ocean is cooler than usual
null
null
Multiple Choice
a. medieval warm period, b. La Nia, c. ice age, d. global warming, e. El Nio, f. upwelling, g. temperature anomaly
b
7,120
NDQ_001345
cycles of matter
process in which living things obtain energy from food
null
null
Multiple Choice
a. carbohydrate, b. respiration, c. carbon, d. decomposition, e. nitrogen, f. nitrogen fixing, g. carbon dioxide
b
7,121
NDQ_001346
cycles of matter
What happens during respiration?
null
null
Multiple Choice
a. producers create food energy from solar energy, b. consumers use solar energy to create food energy, c. living things release energy from food, d. carbon dioxide is converted into oxygen
c
7,122
NDQ_001347
cycles of matter
carbon compound used by plants to make sugar
null
null
Multiple Choice
a. carbohydrate, b. respiration, c. carbon, d. decomposition, e. nitrogen, f. nitrogen fixing, g. carbon dioxide
g
7,123
NDQ_001348
cycles of matter
What is nitrogen fixing?
null
null
Multiple Choice
a. Soil bacteria make nitrogen useful for producers., b. Producers make nitrogen useful for consumers., c. Nitrogen gas in the atmosphere creates complex compounds., d. Nitrogen combines with oxygen to make a useful gas.
a
7,124
NDQ_001349
cycles of matter
key element in proteins
null
null
Multiple Choice
a. carbohydrate, b. respiration, c. carbon, d. decomposition, e. nitrogen, f. nitrogen fixing, g. carbon dioxide
e
7,125
NDQ_001350
cycles of matter
Greenhouse gases
null
null
Multiple Choice
a. absorb incoming solar radiation in the atmosphere., b. trap infrared radiation radiating from Earths surface., c. scatter sunlight from one molecule to another., d. All of these.
b
7,126
NDQ_001351
cycles of matter
Carbon is
null
null
Multiple Choice
a. stored in the mantle, b. released into the atmosphere at volcanoes, c. stored in the oceans, d. all of these
d
7,127
NDQ_001352
cycles of matter
process that releases nitrogen from organic remains
null
null
Multiple Choice
a. carbohydrate, b. respiration, c. carbon, d. decomposition, e. nitrogen, f. nitrogen fixing, g. carbon dioxide
d
7,128
NDQ_001353
cycles of matter
process that changes nitrogen to a form that plants can use
null
null
Multiple Choice
a. carbohydrate, b. respiration, c. carbon, d. decomposition, e. nitrogen, f. nitrogen fixing, g. carbon dioxide
f
7,129
NDQ_001354
cycles of matter
Destroying forests changes the carbon cycle because
null
null
Multiple Choice
a. plants take carbon out of the atmosphere, b. burning plants releases stored carbon into the atmosphere, c. more carbon is in the atmosphere, d. all of these
d
7,130
NDQ_001356
cycles of matter
element that is the basis of all life on Earth
null
null
Multiple Choice
a. carbohydrate, b. respiration, c. carbon, d. decomposition, e. nitrogen, f. nitrogen fixing, g. carbon dioxide
c
7,131
NDQ_001357
cycles of matter
type of carbon compound that includes sugars and starches
null
null
Multiple Choice
a. carbohydrate, b. respiration, c. carbon, d. decomposition, e. nitrogen, f. nitrogen fixing, g. carbon dioxide
a
7,132
NDQ_001365
cycles of matter
Carbon is an important part of organic material.
null
null
Multiple Choice
a. true, b. false
a
7,133
NDQ_001367
cycles of matter
When an organism decomposes, its carbon is released back into the environment.
null
null
Multiple Choice
a. true, b. false
a
7,134
NDQ_001370
cycles of matter
Carbon is only found in organic material.
null
null
Multiple Choice
a. true, b. false
b
7,135
NDQ_001372
cycles of matter
Nitrogen is a nutrient so more is always better.
null
null
Multiple Choice
a. true, b. false
b
7,136
NDQ_001373
cycles of matter
Algae create food energy from sunlight.
null
null
Multiple Choice
a. true, b. false
a
7,137
NDQ_001374
cycles of matter
Carbon dioxide enters the atmosphere during
null
null
Multiple Choice
a. photosynthesis., b. burning., c. decay., d. all of the above
b
7,138
NDQ_001375
cycles of matter
Which of the following compounds in living things contain carbon?
null
null
Multiple Choice
a. sugars, b. starches, c. proteins, d. all of the above
d
7,139
NDQ_001376
cycles of matter
Consumers get carbon by
null
null
Multiple Choice
a. photosynthesis., b. respiration., c. breathing., d. eating.
d
7,140
NDQ_001377
cycles of matter
Human beings affect the carbon cycle by
null
null
Multiple Choice
a. burning wood., b. using fossil fuels., c. cutting down forests., d. all of the above
d
7,141
NDQ_001378
cycles of matter
Which process releases nitrogen into the air?
null
null
Multiple Choice
a. breaking down waste, b. fixing nitrogen, c. using fertilizer, d. making sugar
a
7,142
NDQ_001379
cycles of matter
Without certain organisms that live in soil, plants would not be able to use
null
null
Multiple Choice
a. carbon., b. oxygen., c. nitrogen., d. carbon dioxide.
c
7,143
NDQ_001380
cycles of matter
The underlying cause of dead zones is
null
null
Multiple Choice
a. not enough carbon in the water., b. too much nitrogen in the water., c. too few organisms in the water., d. none of the above
b
7,144
NDQ_001381
cycles of matter
The carbon cycle includes both living and nonliving things.
null
null
Multiple Choice
a. true, b. false
a
7,145
NDQ_001382
cycles of matter
Carbon changes form as it moves through the carbon cycle.
null
null
Multiple Choice
a. true, b. false
a
7,146
NDQ_001383
cycles of matter
Volcanic eruptions release carbon dioxide into the air.
null
null
Multiple Choice
a. true, b. false
a
7,147
NDQ_001384
cycles of matter
The atmosphere contains more carbon than the oceans.
null
null
Multiple Choice
a. true, b. false
b
7,148
NDQ_001385
cycles of matter
Carbon cycles very quickly through ocean water.
null
null
Multiple Choice
a. true, b. false
b
7,149
NDQ_001386
cycles of matter
Nitrogen is one of the most important nutrients needed by plants.
null
null
Multiple Choice
a. true, b. false
a
7,150
NDQ_001387
cycles of matter
Plants obtain nitrogen directly from the atmosphere.
null
null
Multiple Choice
a. true, b. false
b
7,151
NDQ_001388
cycles of matter
Nitrogen in runoff that enters ponds kills algae and water plants.
null
null
Multiple Choice
a. true, b. false
b
7,152
NDQ_001389
cycles of matter
When algae use food for energy, they release oxygen into the water.
null
null
Multiple Choice
a. true, b. false
b
7,153
NDQ_001390
cycles of matter
There is a large dead zone in the Gulf of Mexico.
null
null
Multiple Choice
a. true, b. false
a
7,154
NDQ_001391
the human population
The population growth rate equals the number of births in a year per 100 people.
null
null
Multiple Choice
a. true, b. false
b
7,155
NDQ_001392
the human population
If the birth rate is less than the death rate, then the population has a growth rate of zero.
null
null
Multiple Choice
a. true, b. false
b
7,156
NDQ_001393
the human population
There is no limit on how large a population can grow.
null
null
Multiple Choice
a. true, b. false
b
7,157
NDQ_001394
the human population
The human population started to grow rapidly in the 1800s.
null
null
Multiple Choice
a. true, b. false
a
7,158
NDQ_001395
the human population
In the first phase of the demographic transition, populations grew slowly.
null
null
Multiple Choice
a. true, b. false
b
7,159
NDQ_001396
the human population
Pesticides increase crop production by killing weed plants.
null
null
Multiple Choice
a. true, b. false
b
7,160
NDQ_001397
the human population
Human population growth rates are highest in the United States.
null
null
Multiple Choice
a. true, b. false
b
7,161
NDQ_001398
the human population
We may run out of oil by the mid-2000s.
null
null
Multiple Choice
a. true, b. false
a
7,162
NDQ_001399
the human population
Alien species can cause native species to go extinct.
null
null
Multiple Choice
a. true, b. false
a
7,163
NDQ_001400
the human population
Some people think that sustainable development may require a smaller human population.
null
null
Multiple Choice
a. true, b. false
a
7,164
NDQ_001401
the human population
annual births minus deaths per 100 population members
null
null
Multiple Choice
a. green revolution, b. vaccine, c. carrying capacity, d. population growth rate, e. demographic transition, f. antibiotic, g. sustainable development
d
7,165
NDQ_001402
the human population
drug that kills bacteria
null
null
Multiple Choice
a. green revolution, b. vaccine, c. carrying capacity, d. population growth rate, e. demographic transition, f. antibiotic, g. sustainable development
f
7,166
NDQ_001403
the human population
using resources in a way that gives everyone enough and protects the environment
null
null
Multiple Choice
a. green revolution, b. vaccine, c. carrying capacity, d. population growth rate, e. demographic transition, f. antibiotic, g. sustainable development
g
7,167
NDQ_001404
the human population
substance that prevents a disease
null
null
Multiple Choice
a. green revolution, b. vaccine, c. carrying capacity, d. population growth rate, e. demographic transition, f. antibiotic, g. sustainable development
b
7,168
NDQ_001405
the human population
largest population that can be supported by the environment
null
null
Multiple Choice
a. green revolution, b. vaccine, c. carrying capacity, d. population growth rate, e. demographic transition, f. antibiotic, g. sustainable development
c
7,169
NDQ_001406
the human population
change from high birth and death rates to low birth and death rates
null
null
Multiple Choice
a. green revolution, b. vaccine, c. carrying capacity, d. population growth rate, e. demographic transition, f. antibiotic, g. sustainable development
e
7,170
NDQ_001407
the human population
increase in food production due to new products and methods
null
null
Multiple Choice
a. green revolution, b. vaccine, c. carrying capacity, d. population growth rate, e. demographic transition, f. antibiotic, g. sustainable development
a
7,171
NDQ_001408
the human population
About how many people live on Earth?
null
null
Multiple Choice
a. 7 million, b. 7 billion, c. 9 billion, d. 7 trillion
b
7,172
NDQ_001409
the human population
If the birth rate is greater than the death rate, then
null
null
Multiple Choice
a. d is negative., b. b is negative., c. r is positive., d. two of the above
c
7,173
NDQ_001410
the human population
If a population reaches its carrying capacity, it is most likely to
null
null
Multiple Choice
a. grow rapidly., b. stop growing., c. increase its size., d. increase its carrying capacity.
b
7,174
NDQ_001411
the human population
Food production increased during the
null
null
Multiple Choice
a. green revolution., b. demographic transition., c. industrial revolution., d. all of the above
d
7,175
NDQ_001412
the human population
Human actions that lower death rates include
null
null
Multiple Choice
a. improving sanitation., b. vaccinating children., c. purifying water., d. all of the above
d
7,176
NDQ_001413
the human population
Some people think that the human population has reached its carrying capacity because
null
null
Multiple Choice
a. we are saving the environment., b. everyone has just enough resources., c. we have enough fossil fuels for decades., d. none of the above
d
7,177
NDQ_001414
the human population
Goals of sustainable development include
null
null
Multiple Choice
a. conserving resources., b. distributing resources fairly., c. using resources in ways that do not harm ecosystems., d. all of the above
d
7,178
NDQ_001453
pollution of the land
Love Canal is considered to be one of the worst environmental disasters of all time.
null
null
Multiple Choice
a. true, b. false
a
7,179
NDQ_001454
pollution of the land
At Love Canal
null
null
Multiple Choice
a. the hazardous wastes were safely buried, b. people became sick right after the town was built, c. the first sign that something was wrong was that children developed cancer, d. none of these
c
7,180
NDQ_001455
pollution of the land
The soil of Love Canal was contaminated with lead and mercury.
null
null
Multiple Choice
a. true, b. false
a
7,181
NDQ_001456
pollution of the land
Where are Superfund sites located?
null
null
Multiple Choice
a. in densely populated areas, b. spread across the U.S.A., c. East of the Mississippi River, d. all around the world
b
7,182
NDQ_001457
pollution of the land
Which of the following is NOT considered a potentially hazardous material?
null
null
Multiple Choice
a. baking soda, b. batteries, c. fertilizers, d. paint
a
7,183
NDQ_001458
pollution of the land
The Superfund Act requires safe disposal of hazardous waste.
null
null
Multiple Choice
a. true, b. false
a
7,184
NDQ_001459
pollution of the land
All hazardous waste is corrosive and explosive.
null
null
Multiple Choice
a. true, b. false
b
7,185
NDQ_001460
pollution of the land
At Love Canal
null
null
Multiple Choice
a. the problem was uncovered by local residents, b. the local government detected the problem and dealt with it, c. the state government detected the problem and dealt with it, d. the federal government detected the problem and dealt with it
a
7,186
NDQ_001461
pollution of the land
Electronic products contain toxic chemicals.
null
null
Multiple Choice
a. true, b. false
a
7,187
NDQ_001462
pollution of the land
Nations that produce the most hazardous waste have the most
null
null
Multiple Choice
a. people, b. farmers, c. buildings, d. industry
d
7,188
NDQ_001463
pollution of the land
Agriculture produces very little hazardous waste.
null
null
Multiple Choice
a. true, b. false
b
7,189
NDQ_001466
pollution of the land
No hazardous wastes can be recycled safely.
null
null
Multiple Choice
a. true, b. false
b
7,190
NDQ_001467
pollution of the land
Hazardous products should never be reused.
null
null
Multiple Choice
a. true, b. false
b
7,191
NDQ_001470
pollution of the land
You should never put old batteries in the trash.
null
null
Multiple Choice
a. true, b. false
a
7,192
NDQ_001472
pollution of the land
Most cities have centers for disposal of household hazardous waste.
null
null
Multiple Choice
a. true, b. false
a
7,193
NDQ_001473
pollution of the land
The Love Canal disaster began with the disposal of chemical wastes in a canal in the
null
null
Multiple Choice
a. 1940s., b. 1950s., c. 1970s., d. 1980s.
a
7,194
NDQ_001474
pollution of the land
To dispose of liquid waste, let it evaporate.
null
null
Multiple Choice
a. true, b. false
a
7,195
NDQ_001475
pollution of the land
After a massive cleanup effort costing millions of dollars, Love Canal was
null
null
Multiple Choice
a. safe for people., b. no longer toxic., c. still contaminated., d. two of the above
c
7,196
NDQ_001476
pollution of the land
Batteries contain toxic materials and should be disposed of properly.
null
null
Multiple Choice
a. true, b. false
a
7,197
NDQ_001477
pollution of the land
Because of the lessons learned from Love Canal
null
null
Multiple Choice
a. the Superfund Act was passed., b. many other contaminated sites were found., c. safer waste disposal guidelines were developed., d. all of the above
d
7,198
NDQ_001478
pollution of the land
The Superfund Act requires companies to be responsible for hazardous chemicals that they put into the
null
null
Multiple Choice
a. true, b. false
a
7,199
NDQ_001479
pollution of the land
Pesticides in any amount are not toxic to humans.
null
null
Multiple Choice
a. true, b. false
b