Oxygen.
carbon dioxide
Nitrogen gas (N2) makes up 79% of air (so more than 70%).
nitrogen
No, it actually makes up around 80% of the air around us.
It is nitrogen and it makes more than 78% of the air.
oxygen
Oxygen.
Nitrogen makes up about 79% of the atmosphere.
Nitrogen which makes up about 78% of the air we breath.
carbon dioxide
Oxygen
No, it makes up almost 0.04% of dry air.
No , it makes up 20.9% of air , almost 21%
oxygen! There is 21 percent oxygen in inspired ( the stuff you breath in) air and 13 percent in expired(the stuff you breath out)
Nitrogen gas (N2) makes up 79% of air (so more than 70%).
nitrogen