Which of the following gases in the atmosphere is/are responsible for acid rains ?
1. Oxides of sulphur
2. Oxides of nitrogen
3. Oxides of carbon

Options

A. 1 and 2
B. 1 and 3
C. Only 2
D. 1, 2 and 3

Answer

A

Explanation

Acid rain is caused by emissions of sulphur dioxide and nitrogen oxide, which react with the water molecules in the atmosphere to produce acids.