Question

(c) What is air pollution?

Answer 1

Answer:

Air pollution is a mixture of solid particles and gases in the air. Car emissions, chemicals from factories, dust, pollen and mold spores may be suspended as particles. Ozone, a gas, is a major part of air pollution in cities. When ozone forms air pollution, it's also called smog.

Answer 2

When air is contaminated by unwanted substances which have a harmful effect on both the living and non-living, it is known as air pollution. • The substances which contaminate the air are known as air pollutants.