Given below are two statements, one is labelled asAssertion (A) :and the other as Reason (R).Assertion (A):Sustainable development should take place without damaging the environment and development in the present time should not compromise with the needs of the future generations.Reason (R):Agenda 21 was signed by world leaders in 1995.

1. A

   Both (A) and (R) are true, but (R) is not the correct explanation of (A)

   Both true, R not explaining A. R is false: Agenda 21 is Rio 1992, not 1995.

2. B

   (A) is false, but (R) is true

   (A) false. The Brundtland / Rio line on sustainable development holds.

3. C

   (A) is true, but (R) is false

   (A) true, (R) false. Present development must not compromise future needs. Agenda 21 was adopted at Rio, 1992, not signed in 1995.

4. D

   Both (A) and (R) are true and (R) is the correct explanation of (A)

   Both true and R explains A. A wrong year cannot explain A.

Summary. Official key is (c). Sustainable development as stated is true. Agenda 21 is 1992, not 1995.