Question

what are the composition of air?

Answer 1

A Normal air contain
78% of nitrogen
21% of oxygen
1% of other gases

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Answer 2

Hey there! Here is your answer.
Nitrogen = 78 %
Oxygen = 20.9 %
Argon = 0.90 %
Other gases = 0.17 %
Carbon dioxide = 0.03 %
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