Assertion (A) : Ozone is destroyed by solar radiation in upper streatosphere.
Reason (R) : Thinning of the ozone layer allows excessive UV radiations to reach the surface of earth.
A. Both A and R are correct and R is the correct explanation of A.
B. Both A and R are correct but R is not the correct explanation of A.
C. Both A and R are not correct.
D. A is not correct but R is correct.