The Earth's atmosphere consists mainly of nitrogen and oxygen. It also has small (and varying) amounts of some other substances, such as water vapor, carbon dioxide, as well as dust and other impurities.
Birds, Bats, Jumbo Jets.
no
no they're found in space...
Rock
yes
Everywhere, at least on earth and in the earths atmosphere.
The Ozone Layer.
Nitrogen and oxygen,
Oxygen is most commonly found in the air of Earths atmosphere.
Ions
Carbon dioxide
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