Question

E.
3.
Answer the following questions in brief.
1. Define air pollution
2. Name the natural processes which are responsible for air
What is SPM? Mention its two types.
What are the adverse effects of lead on humans?
5. How does ozone layer protect us from UV rays?
How do oil spills affect marine life?
7. Name any four sources of water pollution.
8. Which phenomenon is responsible for global warming
9. What do you understand by thermal pollution?
10. Name the chemical which is used for the purification​

Answer 1

Answer:

Explanation:

The presence of harmful substances in air is called air pollution

5 . The ozone layer acts as a filter as shoter wavelength and highly hazardous ultra violent radiation (uv) frm the sun protecting the earth frm harmful effects

6. Oil spills are harmful to marine birds and mammals without the ability to repeal water and insulate frm the cold water the mammals will die frm hypothermia .

7. Sewage

Agriculture pollution

Marine dumping

Radioactive materials

8. Green house effect

9. The duming of heat gases and water is called termal pollution

10. Chlorine and ozone

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