Question

What are air pollution ? Give the composition of pure air. What are the causes and control measures of air pollution?

Answer 1

A pollution which is created by smokes are called air pollution .

compositon of pure air is done by several gases like nitrogen ,oxygen etc

causes_

smokes , burning of fossil fuels , smokes created by vehicles etc

prevention of air pollution

smokeless

less burning of fossil fuels.

Answer 2

Answer:

Criteria pollutants

Clean, dry air consists primarily of nitrogenand oxygen—78 percent and 21 percent respectively, by volume. The remaining 1 percent is a mixture of other gases, mostly argon (0.9 percent), along with trace (very small) amounts of carbon dioxide, methane, hydrogen, helium, and more.