Assertion : Acid rain causes lakes and rivers to become acidic .
Reason : Buildings materials like limestone, marble , etc. are weakened on reaction with acid rain.

Options

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.

Answer

b

Explanation

Acid rain refers to the ways in which acid from the atmosphere is deposited on the surface of earth . Oxides of nitrogen and sulphur which are acidic in nature can be blown by wind along with solid particles in the atmosphere and finally settle down either on the ground as dry deposition or in water , fog and snow as wet deposition.