The most important layer of atmosphere is ___________.
A
Troposphere
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B
Thermosphere
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C
Mesosphere
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D
None of these
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Solution
The correct option is A Troposphere The layer of atmosphere near the surface of the earth or the lower-most one is called the troposphere. The average thickness of this layer is about 14 km. Most of the weather forming phenomena occur in this layer. The significance of this layer is very crucial for the earth. It is the most important layer of the atmosphere.