The farmer is plowing dead plants into the farmland soil. How does this improve the soil?
A. The dead plants add nutrients to the soil.
B. The dead plants bring oxygen to the soil.
C. The dead plants absorb toxins from the soil.
D. The dead plants reduce the carbon dioxide in the soil.

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Answers

2014-09-16T10:09:31+08:00
A. The dead plants decompose and adds nutrients to the soil since they are biodegradable.
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2014-09-20T13:49:33+08:00
A. The dead plants add nutrients to the soil.
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