In dry air it is argon, but under typical conditions, it is water vapor.
Argon, with a concentration of 0,934 % in the dried air.
This gas is argon - 0,9340 %.
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.
This gas is argon - 0,9340 %.
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%.
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.
Often it is water vapour, which can vary from 0 to 4 %. Otherwise it is argon, at nearly 1%
Nitrogen which makes up about 78 percent of the atmosphere.
This gas is oxygen - 20,946 %.
According to The British Surnames Website, the third most common surname is "Harris". (see related link)
The most common prenatal surgeries are for conditions in which the newborn will not be able to breathe on its own.