Question

Q.3.What do you mean by Pollution? Describe different types of pollutants and various causes of

air pollution.​

Answer 1

Pollution is the introduction of contaminants into the natural environment that cause adverse change. Pollution can take the form of chemical substances or energy, such as noise, heat or light.

types of pollution are.

• sound pollution- D.J sound at night,loud noise etc
• air pollution-industrial smoke etc
• soil pollution- pesticides ,insecticides etc
• water pollution- human and industrial wastes
• light pollution- artificial light etc

Answer 2

Explanation:

The presence of harmful substance in air land and water which has a bad and harmful effect on enivoment and on living beings too who is known as pollution.

different types of pollutants are:

Nitrogen oxides (NOx)

Sulfur oxides (SOx)

Particulate matter (PM)

causes causes of air pollution are:

The combustion of fossil fuels like coal, petroleum and other factory combustibles is a major cause of air pollution,home making, industrial activity and many more...

Hope this helps.....