Question
Percentage of nitrogen and oxygen in the air is ____ respectively.
Answer: Option C
:
C
Air is a mixture of many gases. It is primarily composed ofapprox78%nitrogen and 21%oxygenwith only small concentrationof other gases such as carbon dioxide and argon.
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:
C
Air is a mixture of many gases. It is primarily composed ofapprox78%nitrogen and 21%oxygenwith only small concentrationof other gases such as carbon dioxide and argon.
Was this answer helpful ?
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