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OpenStudy (anonymous):
What is soil exposed to when there are no plants growing on it? A. Water erosion B. Weathering C. Leaching D. Compaction
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OpenStudy (anonymous):
a i do believe
OpenStudy (anonymous):
proof
OpenStudy (anonymous):
Erosion is the obvious problem. Rain washes away the topsoil when it is unprotected by plants or mulch. Sun is just as much of a problem because the heat vaporizes nitrogen and kills the precious soil microorganisms.
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