what do you understand by atmosphere
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Answer: Atmosphere refers to the gases surrounding a star or planetary body held in place by gravity. ... The composition of the Earth's atmosphere is about 78 percent nitrogen, 21 percent oxygen, 0.9 percent argon, with water vapor, carbon dioxide, and other gases. The atmospheres of other planets have a different composition.
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yeah!! I understood more by the atmosphere....
The atmosphere refers to the gases surrounding a star......
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