Exercise
Soil Formation & Soil Horizons
Learn how soil develops over time through weathering and organic accumulation. Discover the distinct soil horizons that make up a soil profile.
Questions
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MultiChoice
What is soil?
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What is humus?
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Which soil horizon is commonly referred to as topsoil?
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MultiChoice
What is contained in Horizon O?
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What is Horizon B also known as?
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MultiChoice
Which horizon consists mostly of partially weathered bedrock parent material?
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MultiChoice
What is Horizon R?
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MultiChoice
What is the process of water carrying dissolved minerals down through soil layers called?
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MultiChoice
Which factors control soil formation?
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Why does mature soil take hundreds or thousands of years to form?
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MultiChoice
In which layer of soil do most plant roots and earthworms live?
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MultiChoice
How does climate affect soil horizon thickness?