soil definitions
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is the upper layer of earth in which plants grow, a black or dark brown material typically consisting of a mixture of organic remains, clay, and rock particles | Soil
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| what is the organic component of soil, formed by the decomposition of leaves and other plant material by soil microorganisms. | Humus
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| what is the top layer of soil | Horizon A or TopSoil
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| What is the soil lying immediately under the surface soil | Horizon B or TopSoil
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| What is the soil parent material from which the A and B horizons were developed along the time through the weathering action. | Horizon C
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| What is a solid rock underlying loose deposits such as soil or alluvium. | BedRock
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| What is a vertical section of soil from the ground surface to the parent rock | Soil Profile
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| What is a drain away from soil, ash, or similar material by the action of percolating liquid, esp. rainwater. | Leaching
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| what is a fault? | breaks in earths crust.
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| what is a rift valley? | a deep valley
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Created by:
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