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What is atmosphere?
Atmosphere is a blanket of air surrounding the air.
What is the importance of atmosphere?
Atmosphere protects the earth from meteors and cosmic rays from the sun. It makes radio communication possible on earth. It maintains temperature on earth.
Composition of Atmosphere
Nitrogen- 78%, Oxygen-21%,other gases[CO2,H2,He,Ar,water vapour,dust particles etc]-1%.
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