Which of the following is the major source of gaseous pollutants like Sulphur dioxide and nitrogen dioxide in our atmosphere?

Petroleum refineries

The correct answer is option 2. Petroleum refineries.

Many industries are also responsible for causing air pollution.

Petroleum refineries are a major source of gaseous pollutants like sulphur dioxide and nitrogen dioxide.

Sulphur dioxide is produced by combustion of fuels like coal in power plants.

It can cause respiratory problems, including permanent lung damage.