Question

(2) Air pollution
Ans.​

Answer 1

Answer:

the substance get mixing in air is called air pollution

Answer 2

Answer:

here is your 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.