Q.
Given below are two statements. One labelled as Assertion (A) and the other labelled as Reason (R) :
Assertion (A) : Ozone depletion is much less over arctic stratosphere than over Antarctic stratosphere.
Reason (R) : Antarctic atmosphere is on an average about 10 °C cooler than the arctic stratosphere.
[A] Both (A) and (R) are correct and (R) is the correct explanation of (A).
[B] Both (A) and (R) are correct and (R) is not the correct explanation of (A).
[C] (A) is true, but (R) is false.
[D] (A) is false and (R) is true.