About 20% am. Most of it's nitrogen, though.
Approximately 21% of the air we breathe is made up of oxygen.
Oxygen makes up about 21% or approximately 1/5 of the air.
we take in oxygen via the air. the air is made up of 21% oxygen and oxygen is produced by many things. our lungs intake the air. through the mouth and nose.
the earth air is made of air, oxygen, water and helium
Rocket Fuel. Ozone. Air.
nitrogene and oxygen :)
Oxygen
It is normally know as 'air' and air is made up mostly of nitrogen and oxygen. Oxygen is the gas that the body needs to survive.
Part of air is made up of oxygen without which fire can't happen. Air can feed a fire; it contains oxygen.
air is made of 19.98 percent oxygen 79 percent nitrogen and 2 percent carbon
No, air is mainly made up of nitrogen, with oxygen making up about 21% of the air we breathe. Other gases such as argon, carbon dioxide, and trace amounts of other gases make up the remaining composition of air.
its an element so its pirest form is oxygen or do you maen air which is made od oxygen carbon dioxide nitrogen and argon