(A) : Decomposition is largely an oxygen requiring process.
(R) : Decomposition rate is faster in detritus rich in lignin and chitin.

Options

A. If both (A) and (R) are true but (R) is not the correct explanation of (A).
B. If both (A) and (R) are true and (R) is the correct explanation of (A).
C. If (A) is true but (R) is false.
D. If both (A) and (R) are false.

Answer

C