Question

Describe air pollution. What are the major causes of air pollution?

Answer 1

The introduction of unwanted materials in the air which can alter the physical, chemical and biological quality of air is termed as air pollution. The major causes of air pollution are:

1) Exhaust from factories and industries release a large number of poisonous substances which can cause pollution.

2) Large-scale combustion of fossil fuels can cause air pollution to large extent.

3) Agricultural and mining activities on large-scale cause air pollution.