Question

A. Answer the following questions in brief :
1. Name the major constituents of the atmosphere
2. Highlight the importance of oxygen in the atmosphere.
3. Name the variable components of the atmosphere.
4. Name two gases that are heavier than air
5. State the importance of atmosphere
6. Why does the density of air become lower in the upper part of the atmosphere?
7. Name the major layers of the atmosphere from ground upward,
8. Describe the chief characteristics of troposphere. (Any two)
9. State the major properties of stratosphere. (Any two)
10. What is the importance of ionosphere? Why does temperature rise in the ionosphere?
11. State the importance of particulate matter in the atmosphere
12. What is greenhouse effect ?
13. Name the gas which is responsible for greenhouse effect.​

Answer 1

Answer:

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Answer 2

Answer:

Answer 1) Nitrogen -78% ,Oxygen-21%,Argon and other gases-1%

Answer 2)Oxygen is important for our life without oxygen we cannot live,Plant and animal can't survive and our atmosphere get depleted.