What soil component is most important for retaining water in soil for use by plants?
A) sand
B) humus
C) clay
D) silt
E) rock
Correct Answer:
Verified
Q31: Mycorrhizae, present for most plant species, generally
Q32: Areas that receive heavy rainfall tend to
Q33: Phytoremediation is _.
A) rotating crops so that
Q34: Which substance is not released by plant
Q35: The _ horizon tends to accumulate mineral
Q37: The _ horizon is the most fertile
Q38: Mycorrhizae are _.
A) intertwined roots of different
Q39: Roots obtain cations through cation exchange, where
Q40: Soil mineral particles that are less than
Q41: Animals trapped and digested by "carnivorous" plants
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