Assertion (A) : The oxides of nitrogen and sulphur conbine with rain water and coe down as acid rain.
Reason (R) : Acid rains cause depletion of ozone layer.

Options

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 correct explanation of A.
C. A is true and R is false
D. A is false and R is true.

Answer

3