Question

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

Answer 1

When a non-desirable substance is present in the environment having adverse and harmful effects on human then it is known as pollution.

Explanation:

• The different types of pollutants are primary and secondary pollutants.
• Nitrogen, carbon, and sulfur are primary pollutants while their oxides such as NOx, SOx, and COx are secondary pollutants.
• The harmful and poisonous gases from vehicles and exhausts and smoke arising from domestic and industrial chimneys cause air pollution.

Answer 2

Pollution is a pollutant that is man made and natural.

Explanation:

• Pollution s the introduction of pollutants that puts harmful constrain on the natural environments. These may include land, air, water, noise, and light pollution.  

• These foreign substances create a negative impact on the external environment and may influence the internal environment. They can be both man-made and natural.

• The major forms of pollution are man-made such as air pollution by carbon monoxide seen in auto-vehicles and fire,  nitrogen oxide seen in electricity generation, and industrial processes. Sulfur dioxide seen in electricity generation fossil fuels.

• Light pollution created by over-illumination

• Soil/Land contamination created due to leaking of harmful wastes, toxins in landfills. May include plastic pollution also.

• Water pollution is the contamination of rivers, lakes, streams, and drains.

Learn more about the what do you mean by Pollution? Describe different types of pollutants and various causes of air pollution.

• brainly.in/question/19005156 answered by Fatimakincsem.