Question

Main causes of air pollution are

• A. Excessive burning of fuels
• B. Burning of wood
• C. Vehicles releasing smoke
• D. All of the above

Answer 1

The correct option is D All of the above

Air pollution means the presence of gases, dust particles, fumes, smokes, harmful chemicals in the atmosphere such that that makes it harmful to other living beings. Causes of air pollution includes:

1. Excessive burning of fossil fuels.

2. Burning of wood.

3. Indoors air pollution.

4. Agricultural activities.

5. Vehicles releasing smoke.

6. Mining operations.

7. Forest fire.

8. Aerosols and CFCs.

Thus, the correct answer is 'All of the above.'