Given below are two statements, one is labelled as Assertion (A) and other as Reason (R):

Assertion (A): Various components of an ecosystem are not interdependent.

Reason (R): Human activities have the impacts on the environment.

Select the correct answer using the codes given below.

a) Both (A) and (R) are true and (R) is correct explanation of (A).
b) Both (A) and (R) are true, but (R) is not correct explanation of (A).
c) (A) is true, but (R) is false
d) (A) is false, but (R) is true