NCERT Solutions for Class 7 Geography Chapter 4 – Air
1. Answer the following questions.
(i) What is atmosphere?
Answer – Atmosphere is an envelope of gases which surrounds the earth. The atmosphere protects the earth from becoming either too hot or too cold and also prevents the harmful rays of the sun from entering the earth. It has different layers within it such as the troposphere, stratosphere, mesosphere and the exosphere.
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