Question

What do you mean by pollution ? Describe different types of pollutants and various cause of air pollution

Answer 1

When a contaminated substance enters the environment and causes adverse effects on humans that is termed as pollution.

Explanation:

• When a contaminated substance enters the environment and causes adverse effects on humans that is termed as pollution.
• There are two types of pollutants.
• Primary pollutants and secondary pollutants.
• The primary pollutants are nitrogen, carbon, and sulfur while secondary pollutants are the oxides of nitrogen NOx, Oxides of carbon COx oxides of sulfur i.e. SOx.
• Air pollution is caused by the release of harmful gases and toxic materials from industries and vehicles.

Answer 2

Explanation:

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. Some air pollutants are poisonous.