Exp) Option b is the correct answer.

The pollutants, Sulphur dioxide, nitrogen oxide which are released by burning of coal and petroleum products combine with moisture in ‘the air and rain water and produce Sulphuric acid and nitric acid respectively and fall along with the rain called as acid rain. The acid rain pollute soil, water and reduces the growth of crops and fishes in river, streams, canals and ponds. It also stops the growth of plants and destroys: the buildings made of marble and stones and statues made up of metals, Acid rain can cause respiratory problems such as asthma, bronchitis and emphysema.

Source: https://egyankosh.ac.in/bitstream/123456789/34290/1/Unit-3.pdf