Question

B. Fill in the blanks.
1. The earth's atmosphere contains ....
major gases.


3. The upper limit of troposphere is known as

4. The greenhouse effect is due to the increase of ......
in the atmosphere

5. The ....... is the coldest region of the atmosphere.
please give answers​

Answer 1

Answer:

1. 2 ( nitrogen,oxygen)

2. Tropopause

3. Harmful gases (carbon dioxide, methane)

4. Mesosphere

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Answer 2

Answer:

the Earth atmosphere contains – Moser gases