Question

what are polluntants ? how do these causes air pollution

Answer 1

>A pollutant is a substance or energy introduced into the environment that has undesired effects, or adversely affects the usefulness of a resource. 
>Most of this air pollution we causeresults from the burning of fossil fuels, such as coal, oil, natural gas, and gasoline to produce electricity and power our vehicles. Carbon dioxide (CO2) is a good indicator of how much fossil fuel is burned and how much of other pollutants are emitted as a result.

Answer 2

A pollutant is a substance or energy introduced into the environment that has undesired effects, or adversely affects the usefulness of a resource.

Burning of Fossil Fuels: Sulfur dioxide emitted from the combustion of fossil fuels like coal, petroleum and other factory combustibles are one of themajor cause of air pollution.Pollutants emitted from vehicles further contribute to the degradation of the environment.