carbon dioxide
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∙ 11y agoNitrogen gas (N2) makes up 79% of air (so more than 70%).
This gas is oxygen.
oxygen
carbon
79 %
Nitrogen which makes up about 78% of the air we breath.
Oxygen
Nitrogen gas (N2) makes up 79% of air (so more than 70%).
Nitrogen.
This gas is oxygen.
Nitrogen makes up about 79% of the atmosphere.