Assertion:- ozone is formed in upper atmosphere by O2 in presence of UV radiations.
Reason:- ozone depletion will lead to UV rays reaching earth which may cause skin cancer​
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
(e) Both Assertion and Reason are false.​
