Question

______ is considered as one of the most toxic and dangerous air pollutants, being a major component of acid rain.

Answer 1

Sulphur dioxide is considered as one of the most toxic and dangerous air pollutants, being a major component of acid rain.

Explanation:

Sulphur dioxide is released mainly from the burning of fossil fuels and industrial processes. It reacts with water vapor in the atmosphere to form sulphuric acid, which contributes to acid rain. Acid rain causes damage to plants, aquatic life, soil, and man-made structures, making SO₂ a highly harmful pollutant to the environment and human health.