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3 Cards in this Set
- Front
- Back
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What is atmosphere? |
Atmosphere is a blanket of air surrounding the air. |
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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. |
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Composition of Atmosphere |
Nitrogen- 78%, Oxygen-21%,other gases[CO2,H2,He,Ar,water vapour,dust particles etc]-1%. |
