The partly decayed organic portion of soil is called:
A) silt.
B) clay.
C) sand.
D) humus.
E) castings.
Correct Answer:
Verified
Q28: Rhizobia take _ from the air and
Q29: In the establishment of rhizobia in a
Q30: The most abundant organisms in soil are:
A)
Q31: Roots that arise from branches or vertical
Q32: Figure 36-1 Use the figure to answer
Q34: Plants that are adapted to growing in
Q35: Which list correctly orders soil particles in
Q36: Which pair demonstrates a mutualistic relationship?
A) Orchid
Q37: Figure 36-1 Use the figure to answer
Q38: The ideal agricultural soil is:
A) loam.
B) silt.
C)
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