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Questions and Answers
What is soil ultimately dependent upon?
What is soil ultimately dependent upon?
- the forces of nature
- its thickness
- the life dependent on it (correct)
- the productivity of the Earth's skin
What determines the balance of soil thickness?
What determines the balance of soil thickness?
- climate and organisms
- weathering and soil transport (correct)
- rock erosion and soil transport
- storage input and output
What is the primary factor that affects weathering rates?
What is the primary factor that affects weathering rates?
- temperature
- type of native vegetation
- precipitation (correct)
- parental material
What is the role of plants in soil formation?
What is the role of plants in soil formation?
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What determines the texture of soil?
What determines the texture of soil?
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What is the effect of darker minerals on soil fertility?
What is the effect of darker minerals on soil fertility?
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What is the primary factor that determines the rate of soil formation?
What is the primary factor that determines the rate of soil formation?
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What is the typical rate of soil development in centimeters per year?
What is the typical rate of soil development in centimeters per year?
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What is the name of the soil horizon that consists of organic matter?
What is the name of the soil horizon that consists of organic matter?
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What is the diameter of very fine sand in millimeters, according to the USDA Classification?
What is the diameter of very fine sand in millimeters, according to the USDA Classification?
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What is the range of diameters for the three fractions of mineral matter in soil?
What is the range of diameters for the three fractions of mineral matter in soil?
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