Like , _______humus is a catalyst for chemical reactions and a reservoir for plant nutrients and soil water.
A) mud
B) cations
C) iron
D) clay
E) silt
Correct Answer:
Verified
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Q30: The existence of a B horizon is
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Q32: This type of water is held to
Q34: Which are the least well developed of
Q35: The main pedogenic regimes do NOT include_
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