Assertion : The main reasons of ozone layer delpletion is believed to be the release of chlorofluorocarbon compounds known as freons.
Reason : CFCs are transporting agents for continously generating chlorine radicals into the stratosphere.
A. If both assertion and reason are true and reason is the correct explanation of assertion.
B. If both assertion and reason are true but reason is not the c orrect explanation of assertion.
C. If assertion is true but reason is false.
D. If both assertion and reason are false.