Earth has layer of air surrounding posed of 21% Nitrogen and 50% oxygen and the rest carbon dioxide (True or false )
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Earth's atmosphere is a layer of gases surrounding the planet Earth and retained by the Earth's gravity. It contains roughly 78% nitrogen and 21% oxygen 0.97% argon and carbon dioxide 0.04% trace amounts of other gases, and water vapor. ... There is no definite boundary between the atmosphere and outer space.
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................False ..................
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