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Results tagged with upper-atmosphere
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user 31922
The upper-atmosphere is the part of earth's atmosphere that is above the homosphere (where all gases are well mixed) and starts at approximatly 100km. When asking questions specifically about the upper-atmosphere, use this tag and also include the [atmosphere] tag and [meteorology] tag if appropriate.
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Effect of changes in the air's nitrogen-oxygen-carbondioxide proportions
The (dry) air in Earth's atmosphere is about 78.08 percent nitrogen, 20.95 percent oxygen, and 0.93 percent Ar. Roughly, 78% N2, 21% O2 and 1% Ar.
CO2 is a mere 0.04%.
If the oxygen content were 1.1-1 …
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