Assertion (A) : In tropical rain forests , O-horizon and A-horizon of soil profile are shellow and nutrient -poor.
Reason ( R ) : Excessive growth of microorganisms in the soil depletes its organic content.

Options

A. Both (A) and (R ) are true and ( R ) is the correct explanantion of (A)
B. Both (A) and ( R ) are true but ( R ) is not the correct explanation of (A)
C. (A) is true statement but ( R ) is false
D. Both (A) and (R ) are false

Answer

B