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Air — Social Studies STD 7 — Question

CBSE BoardEnglish MediumSTD 7Social StudiesAir2 Marks
Question
Discuss the importance of stratosphere?
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Answer

Importance of stratosphere:
  1. Above the troposphere lies the stratosphere. It extends up to a height of 50km. This layer is almost free from clouds and associated weather phenomenon, making conditions most ideal for flying aeroplanes.
  2. One important feature of stratosphere is that it contains a layer of ozone gas which protects us from the harmful effect of the sun rays.

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