Often it is water vapour, which can vary from 0 to 4 %. Otherwise it is argon, at nearly 1%
Oxygen it helps the trees breathe too.
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.
In dry air it is argon, but under typical conditions, it is water vapor.
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.
Argon, with a concentration of 0,934 % in the dried air.
The common term for what we breathe in is air.
This gas is oxygen - 20,946 %.
Nitrogen which makes up about 78 percent of the atmosphere.
Nitrogen is the most common element found in Earth's atmosphere, making up about 78% of the air we breathe. Oxygen is the next most abundant element in Earth's atmosphere, making up about 21%.
This gas is argon - 0,9340 %.
Nitrogen is the most common element in the air you breathe.The earth's atmosphere consist of approximately79% nitrogen, 20% oxygen, and 1% other gases.On Earth, the most common element in the air is Nitrogen.
One of the most common gases in the Earth's atmosphere is nitrogen, which makes up about 78% of the air we breathe.