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Questions and Answers
Which of the following is NOT a component of soil?
Which of the following is NOT a component of soil?
- Air (correct)
- Organic matter
- Mineral grains
- Water
What is the main process by which soil is formed?
What is the main process by which soil is formed?
- Decaying plant matter
- Combination of wind and water erosion
- Breaking down of rock material (correct)
- Decaying animal matter
What causes rocks to break down into smaller pieces over time?
What causes rocks to break down into smaller pieces over time?
- Moving water
- Plants growing in cracks
- Changes in temperature
- All of the above (correct)
What determines the type of soil?
What determines the type of soil?
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How long does it take for a small amount of soil to be formed?
How long does it take for a small amount of soil to be formed?
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Moving water, wind, plants and changes in ______ can crack large rocks.
Moving water, wind, plants and changes in ______ can crack large rocks.
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Over a very long time, large rocks are broken into ______ pieces.
Over a very long time, large rocks are broken into ______ pieces.
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Plants grow in the cracks in rocks causing the rocks to break apart into ______ pieces.
Plants grow in the cracks in rocks causing the rocks to break apart into ______ pieces.
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These small pieces of rock become ______.
These small pieces of rock become ______.
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The type of soil is determined by the size of ______ rock.
The type of soil is determined by the size of ______ rock.
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