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Question
Which of the following layers of atmosphere is free from clouds?
Which of the following layers of atmosphere is free from clouds?
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Solution
The correct option is D Stratosphere
Stratosphere begins at the tropopause, which forms its lower boundary. There is a very little water vapour and dust, clouds are mostly absent and air movement is almost horizontal in this layer. Almost all the high flying air routes are through this layer only. There is a gradual temperature increase with height beyond 20 kilometers.
Stratosphere begins at the tropopause, which forms its lower boundary. There is a very little water vapour and dust, clouds are mostly absent and air movement is almost horizontal in this layer. Almost all the high flying air routes are through this layer only. There is a gradual temperature increase with height beyond 20 kilometers.
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