Given below are two statements, one is labelled as Assertion (A) and the other as Reason (R).

Assertion (A): CO2, SO2 and NO2 gases get dissolved in rain water and produce acid rain.
Reason (R): Atmospheric air is polluted due to high concentration of gases like carbon dioxide, sulphur dioxide and oxides of nitrogen.

Select the correct answer from the codes given below:

A) Both (A) and (R) are true and (R) is the correct explanation of (A).

B) (A) is false, but (R) is true.

C) Both (A) and (R) are true, but (R) is not the correct explanation of (A).

D) (A) is true, but (R) is false.

This MCQ is part of the UP PSC Previous Year Questions (PYQs) series, focusing on UPPSC Prelims 2024 (GS Paper I)