Question

what is mean by air pollution ?​

Answer 1

air pollution :-

contamination of air by harmful substances is called air pollution .

factors responsible for air pollution :-

1) poisonous gases

2) microbes

3) particulate matter

4) smoke

Answer 2

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.