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Is it true or false that dry air is 78% nitrogen and 21% carbon dioxide?

Is it true or false that dry air is 78% nitrogen and 21% carbon dioxide?
asked 124k views
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Is it true or false that dry air is 78% nitrogen and 21% carbon dioxide?

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User Alkersan
by
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1 Answer

3 votes
The answer is false, oxygen
answered
User Pate
by
8.7k points
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Near the earth’s surface, ____ occupies about 78% and ____ about 21% of the total volume of dry air.
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