Given below are two statements, one is labelled as Assertion (A) and other as Reason (R). Assertion (A): Various components of an ecosystem are non interdependent. Reason (R) : Human activities have the impacts on the environment. Choose the correct answer from the code given below.

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