Oxygen makes up 21 percent of the air by volume.
Nitrogen makes up about 78% of the air we breathe, with oxygen making up around 21%.
Oxygen makes up about 21% of the air we breathe.
Nitrogen makes up 78% of the air and belongs to the fifteenth group on the periodic table.
Nitrogen is the element that makes up approximately 79% of the air we breathe.
Oxygen makes up 21 percent of the air by volume.
Nitrogen makes up almost 80 percent of air. Oxygen makes up about 21 percent, with the remaining 1 percent made up of various gases such as carbon dioxide, argon, and others.
It is nitrogen and it makes more than 78% of the air.
oxygen
Nitrogen makes up about 78% of the air we breathe, with oxygen making up around 21%.
No, it makes up almost 0.04% of dry air.
Oxygen
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)
I think its...........................................GOOGLE
Nitrogen.
Nitrogen.