What is the volume of air in the earth's
atmosphere? The radius of the Earth(RE)
is approximately 6,400 km and 100 km is
often used as the border between the
atmosphere and outer space. But, 75% of
the atmospheric air is within about 11 km
of the surface.
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Answer:
78.9percent nitrogen
20.95 percent oxygen
0.04 percent carbon dioxide
and other gases in very small amount
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