Question

B. Fill in the blanks.
1. Atmosphere is mainly composed of three major gases-nitrogen,
and
2. Gases like argon, helium, methane, etc., are present in
3. All weather phenomena occur in the
amounts in the air
4. Atmospheric conditions over a long period of time and on a larger area is called
5. The normal air pressure at sea level is
30​

Answer 1

1) Nitrogen, Oxygen, Argon

2) Atmosphere

3) Humidity

4) Climate

5) 14.7 pounds per square inch

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Answer 2

Answer:

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