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DQ_003470
Which of these represents a toothed leaf?
abc_question_images/types_leaves_14400.png
a. N, b. W, c. X, d. U
c
DQ_003468
image
abc_question_images/types_leaves_14400.png
types_leaves_14400.png
1
DQ_003470
Which of these represents a toothed leaf?
abc_question_images/types_leaves_14400.png
a. N, b. W, c. X, d. U
c
DQ_004130
image
question_images/types_leaves_4400.png
types_leaves_4400.png
0.910917
DQ_003470
Which of these represents a toothed leaf?
abc_question_images/types_leaves_14400.png
a. N, b. W, c. X, d. U
c
DQ_003495
image
abc_question_images/types_leaves_14708.png
types_leaves_14708.png
0.862656
DQ_003470
Which of these represents a toothed leaf?
abc_question_images/types_leaves_14400.png
a. N, b. W, c. X, d. U
c
DQ_003488
image
abc_question_images/types_leaves_14496.png
types_leaves_14496.png
0.854869
DQ_003470
Which of these represents a toothed leaf?
abc_question_images/types_leaves_14400.png
a. N, b. W, c. X, d. U
c
DQ_003504
image
abc_question_images/types_leaves_14726.png
types_leaves_14726.png
0.846611
DQ_003470
Which of these represents a toothed leaf?
abc_question_images/types_leaves_14400.png
a. N, b. W, c. X, d. U
c
DQ_004423
image
question_images/types_leaves_958.png
types_leaves_958.png
0.834499
DQ_003470
Which of these represents a toothed leaf?
abc_question_images/types_leaves_14400.png
a. N, b. W, c. X, d. U
c
DQ_004162
image
question_images/types_leaves_4414.png
types_leaves_4414.png
0.832576
DQ_003470
Which of these represents a toothed leaf?
abc_question_images/types_leaves_14400.png
a. N, b. W, c. X, d. U
c
DQ_003508
image
abc_question_images/types_leaves_14728.png
types_leaves_14728.png
0.831641
DQ_003470
Which of these represents a toothed leaf?
abc_question_images/types_leaves_14400.png
a. N, b. W, c. X, d. U
c
DQ_003471
image
abc_question_images/types_leaves_14402.png
types_leaves_14402.png
0.830007
DQ_003470
Which of these represents a toothed leaf?
abc_question_images/types_leaves_14400.png
a. N, b. W, c. X, d. U
c
DQ_004127
image
question_images/types_leaves_4397.png
types_leaves_4397.png
0.826995
DQ_003470
Which of these represents a toothed leaf?
abc_question_images/types_leaves_14400.png
a. N, b. W, c. X, d. U
c
T_3385
text
null
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?
0.576188
DQ_003470
Which of these represents a toothed leaf?
abc_question_images/types_leaves_14400.png
a. N, b. W, c. X, d. U
c
T_1106
text
null
Despite these problems, there is a rich fossil record. How does an organism become fossilized?
0.574143
DQ_003470
Which of these represents a toothed leaf?
abc_question_images/types_leaves_14400.png
a. N, b. W, c. X, d. U
c
T_1805
text
null
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:
0.556956
DQ_003470
Which of these represents a toothed leaf?
abc_question_images/types_leaves_14400.png
a. N, b. W, c. X, d. U
c
T_3434
text
null
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.
0.553822
DQ_003470
Which of these represents a toothed leaf?
abc_question_images/types_leaves_14400.png
a. N, b. W, c. X, d. U
c
T_1950
text
null
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.
0.553788
DQ_003470
Which of these represents a toothed leaf?
abc_question_images/types_leaves_14400.png
a. N, b. W, c. X, d. U
c
T_1598
text
null
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.
0.553441
DQ_003470
Which of these represents a toothed leaf?
abc_question_images/types_leaves_14400.png
a. N, b. W, c. X, d. U
c
T_2956
text
null
Scientists used to think that fungi were members of the plant kingdom. They thought this because fungi had several similarities to plants. For example: Fungi and plants have similar structures. Plants and fungi live in the same kinds of habitats, such as growing in soil. Plants and fungi cells both have a cell wall, which animals do not have.
0.543465
DQ_003470
Which of these represents a toothed leaf?
abc_question_images/types_leaves_14400.png
a. N, b. W, c. X, d. U
c
T_1283
text
null
Despite these problems, there is a rich fossil record. How does an organism become fossilized? A rare insect fossil.
0.540188
DQ_003470
Which of these represents a toothed leaf?
abc_question_images/types_leaves_14400.png
a. N, b. W, c. X, d. U
c
T_3409
text
null
Even though two different species may not look similar, they may have similar internal structures that suggest they have a common ancestor. That means both evolved from the same ancestor organism a long time ago. Common ancestry can also be determined by looking at the structure of the organism as it first develops.
0.534233
DQ_003470
Which of these represents a toothed leaf?
abc_question_images/types_leaves_14400.png
a. N, b. W, c. X, d. U
c
T_0116
text
null
Every organism is different from every other organism. Every organisms genes are different, too.
0.533506
DQ_003471
Identify the linear type
abc_question_images/types_leaves_14402.png
a. S, b. K, c. A, d. V
a
DQ_003471
image
abc_question_images/types_leaves_14402.png
types_leaves_14402.png
1
DQ_003471
Identify the linear type
abc_question_images/types_leaves_14402.png
a. S, b. K, c. A, d. V
a
DQ_004135
image
question_images/types_leaves_4402.png
types_leaves_4402.png
0.898729
DQ_003471
Identify the linear type
abc_question_images/types_leaves_14402.png
a. S, b. K, c. A, d. V
a
DQ_003504
image
abc_question_images/types_leaves_14726.png
types_leaves_14726.png
0.871409
DQ_003471
Identify the linear type
abc_question_images/types_leaves_14402.png
a. S, b. K, c. A, d. V
a
DQ_004045
image
question_images/types_leaves_1020.png
types_leaves_1020.png
0.85139
DQ_003471
Identify the linear type
abc_question_images/types_leaves_14402.png
a. S, b. K, c. A, d. V
a
DQ_003495
image
abc_question_images/types_leaves_14708.png
types_leaves_14708.png
0.839378
DQ_003471
Identify the linear type
abc_question_images/types_leaves_14402.png
a. S, b. K, c. A, d. V
a
DQ_003464
image
abc_question_images/types_leaves_14387.png
types_leaves_14387.png
0.833613
DQ_003471
Identify the linear type
abc_question_images/types_leaves_14402.png
a. S, b. K, c. A, d. V
a
DQ_003468
image
abc_question_images/types_leaves_14400.png
types_leaves_14400.png
0.830007
DQ_003471
Identify the linear type
abc_question_images/types_leaves_14402.png
a. S, b. K, c. A, d. V
a
DQ_004301
image
question_images/types_leaves_4726.png
types_leaves_4726.png
0.822235
DQ_003471
Identify the linear type
abc_question_images/types_leaves_14402.png
a. S, b. K, c. A, d. V
a
DQ_004262
image
question_images/types_leaves_4709.png
types_leaves_4709.png
0.817174
DQ_003471
Identify the linear type
abc_question_images/types_leaves_14402.png
a. S, b. K, c. A, d. V
a
DQ_003493
image
abc_question_images/types_leaves_14707.png
types_leaves_14707.png
0.816865
DQ_003471
Identify the linear type
abc_question_images/types_leaves_14402.png
a. S, b. K, c. A, d. V
a
T_4814
text
null
Graphs are very useful tools in science. They can help you visualize a set of data. With a graph, you can actually see what all the numbers in a data table mean. Three commonly used types of graphs are bar graphs, circle graphs, and line graphs. Each type of graph is suitable for showing a different type of data.
0.463446
DQ_003471
Identify the linear type
abc_question_images/types_leaves_14402.png
a. S, b. K, c. A, d. V
a
T_2534
text
null
Both types of reproduction have certain advantages.
0.440709
DQ_003471
Identify the linear type
abc_question_images/types_leaves_14402.png
a. S, b. K, c. A, d. V
a
T_0117
text
null
There are variations in the traits of a population. For example, there are lots of variations in the color of human hair. Hair can be blonde, brown, black, or even red. Hair color is a trait determined by genes.
0.439659
DQ_003471
Identify the linear type
abc_question_images/types_leaves_14402.png
a. S, b. K, c. A, d. V
a
T_3278
text
null
What does population growth mean? You can probably guess that it means the number of individuals in a population is increasing. The population growth rate tells you how quickly a population is increasing or decreasing. What determines the population growth rate for a particular population?
0.419744
DQ_003471
Identify the linear type
abc_question_images/types_leaves_14402.png
a. S, b. K, c. A, d. V
a
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.
0.406921
DQ_003471
Identify the linear type
abc_question_images/types_leaves_14402.png
a. S, b. K, c. A, d. V
a
T_3942
text
null
Energy is defined as the ability to cause changes in matter. You can change energy from one form to another when you lift your arm or take a step. In each case, energy is used to move matter you. The energy of moving matter is called kinetic energy.
0.405802
DQ_003471
Identify the linear type
abc_question_images/types_leaves_14402.png
a. S, b. K, c. A, d. V
a
T_2924
text
null
The urinary system controls the amount of water in the body and removes wastes. Any problem with the urinary system can also affect many other body systems.
0.405726
DQ_003471
Identify the linear type
abc_question_images/types_leaves_14402.png
a. S, b. K, c. A, d. V
a
T_1447
text
null
Minerals are divided into groups based on chemical composition. Most minerals fit into one of eight mineral groups.
0.404841
DQ_003471
Identify the linear type
abc_question_images/types_leaves_14402.png
a. S, b. K, c. A, d. V
a
T_4844
text
null
An electric circuit consists of at least one closed loop through which electric current can flow. Every circuit has a voltage source such as a battery and a conductor such as metal wire. A circuit may have other parts as well, such as lights and switches. In addition, a circuit may consist of one loop or two loops.
0.40063
DQ_003471
Identify the linear type
abc_question_images/types_leaves_14402.png
a. S, b. K, c. A, d. V
a
T_4146
text
null
Identify the conditions that will speed up or slow down the dissolving process.
0.39907
DQ_003472
Identify a deltoid leaf:
abc_question_images/types_leaves_14402.png
a. U, b. K, c. R, d. V
a
DQ_003471
image
abc_question_images/types_leaves_14402.png
types_leaves_14402.png
1
DQ_003472
Identify a deltoid leaf:
abc_question_images/types_leaves_14402.png
a. U, b. K, c. R, d. V
a
DQ_004135
image
question_images/types_leaves_4402.png
types_leaves_4402.png
0.898729
DQ_003472
Identify a deltoid leaf:
abc_question_images/types_leaves_14402.png
a. U, b. K, c. R, d. V
a
DQ_003504
image
abc_question_images/types_leaves_14726.png
types_leaves_14726.png
0.871409
DQ_003472
Identify a deltoid leaf:
abc_question_images/types_leaves_14402.png
a. U, b. K, c. R, d. V
a
DQ_004045
image
question_images/types_leaves_1020.png
types_leaves_1020.png
0.85139
DQ_003472
Identify a deltoid leaf:
abc_question_images/types_leaves_14402.png
a. U, b. K, c. R, d. V
a
DQ_003495
image
abc_question_images/types_leaves_14708.png
types_leaves_14708.png
0.839378
DQ_003472
Identify a deltoid leaf:
abc_question_images/types_leaves_14402.png
a. U, b. K, c. R, d. V
a
DQ_003464
image
abc_question_images/types_leaves_14387.png
types_leaves_14387.png
0.833613
DQ_003472
Identify a deltoid leaf:
abc_question_images/types_leaves_14402.png
a. U, b. K, c. R, d. V
a
DQ_003468
image
abc_question_images/types_leaves_14400.png
types_leaves_14400.png
0.830007
DQ_003472
Identify a deltoid leaf:
abc_question_images/types_leaves_14402.png
a. U, b. K, c. R, d. V
a
DQ_004301
image
question_images/types_leaves_4726.png
types_leaves_4726.png
0.822235
DQ_003472
Identify a deltoid leaf:
abc_question_images/types_leaves_14402.png
a. U, b. K, c. R, d. V
a
DQ_004262
image
question_images/types_leaves_4709.png
types_leaves_4709.png
0.817174
DQ_003472
Identify a deltoid leaf:
abc_question_images/types_leaves_14402.png
a. U, b. K, c. R, d. V
a
DQ_003493
image
abc_question_images/types_leaves_14707.png
types_leaves_14707.png
0.816865
DQ_003472
Identify a deltoid leaf:
abc_question_images/types_leaves_14402.png
a. U, b. K, c. R, d. V
a
T_1598
text
null
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.
0.537318
DQ_003472
Identify a deltoid leaf:
abc_question_images/types_leaves_14402.png
a. U, b. K, c. R, d. V
a
T_1698
text
null
How well soil forms and what type of soil forms depends on several different factors, which are described below.
0.526704
DQ_003472
Identify a deltoid leaf:
abc_question_images/types_leaves_14402.png
a. U, b. K, c. R, d. V
a
T_1950
text
null
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.
0.522162
DQ_003472
Identify a deltoid leaf:
abc_question_images/types_leaves_14402.png
a. U, b. K, c. R, d. V
a
T_3234
text
null
Your heart pumps blood around your body. But how does your heart get blood to and from every cell in your body? Your heart is connected to blood vessels such as veins and arteries. Organs that work together form an organ system. Together, your heart, blood, and blood vessels form your cardiovascular system. What other organ systems can you think of?
0.518503
DQ_003472
Identify a deltoid leaf:
abc_question_images/types_leaves_14402.png
a. U, b. K, c. R, d. V
a
T_0987
text
null
Now that you know what chemical weathering is, can you think of some other ways chemical weathering might occur? Chemical weathering can also be contributed to by plants and animals. As plant roots take in soluble ions as nutrients, certain elements are exchanged. Plant roots and bacterial decay use carbon dioxide in the process of respiration.
0.511182
DQ_003472
Identify a deltoid leaf:
abc_question_images/types_leaves_14402.png
a. U, b. K, c. R, d. V
a
T_3385
text
null
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?
0.507271
DQ_003472
Identify a deltoid leaf:
abc_question_images/types_leaves_14402.png
a. U, b. K, c. R, d. V
a
T_1805
text
null
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:
0.505695
DQ_003472
Identify a deltoid leaf:
abc_question_images/types_leaves_14402.png
a. U, b. K, c. R, d. V
a
T_3434
text
null
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.
0.502061
DQ_003472
Identify a deltoid leaf:
abc_question_images/types_leaves_14402.png
a. U, b. K, c. R, d. V
a
T_2417
text
null
Secondary succession occurs in a formerly inhabited area that was disturbed.
0.500711
DQ_003472
Identify a deltoid leaf:
abc_question_images/types_leaves_14402.png
a. U, b. K, c. R, d. V
a
T_2416
text
null
Primary succession occurs in an area that has never before been colonized by living things. Generally, the area is nothing but bare rock.
0.499253
DQ_003473
Which leaf has a deltoid shape?
abc_question_images/types_leaves_14402.png
a. A, b. X, c. W, d. U
d
DQ_003471
image
abc_question_images/types_leaves_14402.png
types_leaves_14402.png
1
DQ_003473
Which leaf has a deltoid shape?
abc_question_images/types_leaves_14402.png
a. A, b. X, c. W, d. U
d
DQ_004135
image
question_images/types_leaves_4402.png
types_leaves_4402.png
0.898729
DQ_003473
Which leaf has a deltoid shape?
abc_question_images/types_leaves_14402.png
a. A, b. X, c. W, d. U
d
DQ_003504
image
abc_question_images/types_leaves_14726.png
types_leaves_14726.png
0.871409
DQ_003473
Which leaf has a deltoid shape?
abc_question_images/types_leaves_14402.png
a. A, b. X, c. W, d. U
d
DQ_004045
image
question_images/types_leaves_1020.png
types_leaves_1020.png
0.85139
DQ_003473
Which leaf has a deltoid shape?
abc_question_images/types_leaves_14402.png
a. A, b. X, c. W, d. U
d
DQ_003495
image
abc_question_images/types_leaves_14708.png
types_leaves_14708.png
0.839378
DQ_003473
Which leaf has a deltoid shape?
abc_question_images/types_leaves_14402.png
a. A, b. X, c. W, d. U
d
DQ_003464
image
abc_question_images/types_leaves_14387.png
types_leaves_14387.png
0.833613
DQ_003473
Which leaf has a deltoid shape?
abc_question_images/types_leaves_14402.png
a. A, b. X, c. W, d. U
d
DQ_003468
image
abc_question_images/types_leaves_14400.png
types_leaves_14400.png
0.830007
DQ_003473
Which leaf has a deltoid shape?
abc_question_images/types_leaves_14402.png
a. A, b. X, c. W, d. U
d
DQ_004301
image
question_images/types_leaves_4726.png
types_leaves_4726.png
0.822235
DQ_003473
Which leaf has a deltoid shape?
abc_question_images/types_leaves_14402.png
a. A, b. X, c. W, d. U
d
DQ_004262
image
question_images/types_leaves_4709.png
types_leaves_4709.png
0.817174
DQ_003473
Which leaf has a deltoid shape?
abc_question_images/types_leaves_14402.png
a. A, b. X, c. W, d. U
d
DQ_003493
image
abc_question_images/types_leaves_14707.png
types_leaves_14707.png
0.816865
DQ_003473
Which leaf has a deltoid shape?
abc_question_images/types_leaves_14402.png
a. A, b. X, c. W, d. U
d
T_1598
text
null
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.
0.57025
DQ_003473
Which leaf has a deltoid shape?
abc_question_images/types_leaves_14402.png
a. A, b. X, c. W, d. U
d
T_1950
text
null
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.
0.555716
DQ_003473
Which leaf has a deltoid shape?
abc_question_images/types_leaves_14402.png
a. A, b. X, c. W, d. U
d
T_1698
text
null
How well soil forms and what type of soil forms depends on several different factors, which are described below.
0.551044
DQ_003473
Which leaf has a deltoid shape?
abc_question_images/types_leaves_14402.png
a. A, b. X, c. W, d. U
d
T_3385
text
null
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?
0.547462
DQ_003473
Which leaf has a deltoid shape?
abc_question_images/types_leaves_14402.png
a. A, b. X, c. W, d. U
d
T_3234
text
null
Your heart pumps blood around your body. But how does your heart get blood to and from every cell in your body? Your heart is connected to blood vessels such as veins and arteries. Organs that work together form an organ system. Together, your heart, blood, and blood vessels form your cardiovascular system. What other organ systems can you think of?
0.536753
DQ_003473
Which leaf has a deltoid shape?
abc_question_images/types_leaves_14402.png
a. A, b. X, c. W, d. U
d
T_1805
text
null
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_003473
Which leaf has a deltoid shape?
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a. A, b. X, c. W, d. U
d
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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_003473
Which leaf has a deltoid shape?
abc_question_images/types_leaves_14402.png
a. A, b. X, c. W, d. U
d
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Minerals are divided into groups based on chemical composition. Most minerals fit into one of eight mineral groups.
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Which leaf has a deltoid shape?
abc_question_images/types_leaves_14402.png
a. A, b. X, c. W, d. U
d
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Despite these problems, there is a rich fossil record. How does an organism become fossilized?
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DQ_003473
Which leaf has a deltoid shape?
abc_question_images/types_leaves_14402.png
a. A, b. X, c. W, d. U
d
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Gymnosperms have seeds, but they do not produce fruit. Instead, the seeds of gymnosperms are usually found in cones. There are four phyla of gymnosperms: 1. Conifers 2. Cycads 3. Ginkgoes 4. Gnetophytes
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DQ_003474
Identify the acute base
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a. X, b. J, c. D, d. E
d
DQ_003474
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DQ_003474
Identify the acute base
abc_question_images/types_leaves_14407.png
a. X, b. J, c. D, d. E
d
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DQ_003474
Identify the acute base
abc_question_images/types_leaves_14407.png
a. X, b. J, c. D, d. E
d
DQ_003495
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DQ_003474
Identify the acute base
abc_question_images/types_leaves_14407.png
a. X, b. J, c. D, d. E
d
DQ_003508
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Identify the acute base
abc_question_images/types_leaves_14407.png
a. X, b. J, c. D, d. E
d
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Identify the acute base
abc_question_images/types_leaves_14407.png
a. X, b. J, c. D, d. E
d
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Identify the acute base
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a. X, b. J, c. D, d. E
d
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Identify the acute base
abc_question_images/types_leaves_14407.png
a. X, b. J, c. D, d. E
d
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Identify the acute base
abc_question_images/types_leaves_14407.png
a. X, b. J, c. D, d. E
d
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DQ_003474
Identify the acute base
abc_question_images/types_leaves_14407.png
a. X, b. J, c. D, d. E
d
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DQ_003474
Identify the acute base
abc_question_images/types_leaves_14407.png
a. X, b. J, c. D, d. E
d
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Bases are used for a variety of purposes. For example, soaps contain bases such as potassium hydroxide (KOH). Other uses of bases can be seen in the Figure 1.2.
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Identify the acute base
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a. X, b. J, c. D, d. E
d
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Bases are used for a variety of purposes. For example, soaps contain bases such as potassium hydroxide. Other uses of bases are pictured in Figure 10.9.
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Identify the acute base
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a. X, b. J, c. D, d. E
d
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A base is an ionic compound that produces negative hydroxide ions (OH ) when dissolved in water. For example, when the compound sodium hydroxide (NaOH) dissolves in water, it produces hydroxide ions and positive sodium ions (Na+ ). This can be represented by the equation: NaOH H2 O ! OH + Na+
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DQ_003474
Identify the acute base
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a. X, b. J, c. D, d. E
d
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Acids have many important uses, especially in industry. For example, sulfuric acid is used to manufacture a variety of different products, including paper, paint, and detergent. Some other uses of acids are be seen in the Figure 1.3.
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DQ_003474
Identify the acute base
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a. X, b. J, c. D, d. E
d
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Acids have many important uses, especially in industry. For example, sulfuric acid is used to manufacture a variety of different products, including paper, paint, and detergent. Some other uses of acids are illustrated in Figure 10.7.
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DQ_003474
Identify the acute base
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a. X, b. J, c. D, d. E
d
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Your heart pumps blood around your body. But how does your heart get blood to and from every cell in your body? Your heart is connected to blood vessels such as veins and arteries. Organs that work together form an organ system. Together, your heart, blood, and blood vessels form your cardiovascular system. What other organ systems can you think of?
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Identify the acute base
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a. X, b. J, c. D, d. E
d
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Compare and contrast the basic properties of matter, such as mass and volume.
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Identify the acute base
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a. X, b. J, c. D, d. E
d
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The basic building blocks of the human body are cells. Human cells are organized into tissues, tissues are organized into organs, and organs are organized into organ systems.
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Identify the acute base
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a. X, b. J, c. D, d. E
d
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The central nervous system (CNS) ( Figure 1.1) is the largest part of the nervous system. It includes the brain and the spinal cord. The bony skull protects the brain. The spinal cord is protected within the bones of the spine, which are called vertebrae.
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Identify the acute base
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a. X, b. J, c. D, d. E
d
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DNA stands for deoxyribonucleic acid. It is a very large molecule. It consists of two strands of smaller molecules called nucleotides. Before learning how DNA is copied, its a good idea to review its structure.
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