define atmosphere ? ???
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The atmosphere is the layer of gases around the Earth. It is held in place by Earth's gravity. ... It also has plentiful oxygen (20%) and small amounts of argon (0.9%), carbon dioxide (0.035%), water vapor, and other gases.
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Define atmosphere ?
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An atmosphere is the layers of gases surrounding a planet or other celestial body. Earth's atmosphere is composed of about 78% nitrogen, 21% oxygen, and one percent other gases.The atmosphere is the blanket of gases which surrounds Earth. It is held near the surface of the planet by Earth's gravitational attraction. Without the atmosphere there could be no life on Earth. The atmosphere: ... keeps the climate on Earth moderate compared to that of other planets.
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