Air pollution is best defined as a. gases or particles present in high enough concentrations in the atmosphere to harm humans, other organisms and structures b. suspended particles of gases that contain small amounts of solids and liquids c. organic chemicals that can vaporize into the air d. any gases in earth's atmosphere in trace amounts e. small particles in the atmosphere arising from volatile organic compounds

Answer;

A. gases or particles present in high enough concentrations in the atmosphere to harm humans, other organisms and structures.

Explanation;

Air pollution is a type of pollution that occurs when harmful or excessive substances such as particulates, gases and biological molecules are introduced into Earth's atmosphere.

The burning of fossil fuels, such as coal, oil, natural gas, and gasoline to produce electricity and power our vehicles is the major cause of air pollution.

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