Assertion(A): Cl atoms are not consumed in the reaction where ozone gets degraded to release oxygen under the influence of Cl atoms.
Reason(R): Whatever CFCs are added to the stratosphere, they have permanent and continuing effects on Ozone levels.
Choices for Assertions and reasons:
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.