Soils of the rainforest are rich in humus because of the

Soils of the rainforest are rich in humus because of the
  • A.
    multiple species of trees
  • B.
    dense vegetation cover
  • C.
    large quantity of decayed leaves
  • D.
    absence of sunlight at the surface
  • E.
    heavy rainfall
Correct Answer: Option C
Explanation
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