carbon dioxide
The gas you breathe in from the air is called oxygen.
Oxygen is approximately 21% of the air we breathe.
Gas
It is a gas.
men
Nitrogen
Oxygen
The air you breathe is a gas. You would not be able to remain alive if you breathed solid liquid, as your lungs cannot retain water.
Oxygen is the second most common/abundant gas in the air that we breathe. Nitrogen is the most abundant gas in the air we breathe. The composition of air is often treated as 79 mole or volume percent N2 and 21 mole or volume percent O2.
This gas is argon - 0,9340 %.
To exhale means to breathe out or release air from the lungs. It is the opposite of inhaling, which is breathing in air.
Oxygen it helps the trees breathe too.