20.95% is oxygen
Oxygen
Oxygen
Oxygen
Oxygen is approximately 21% of the air we breathe.
In 2006, about 20 percent from natural gas
About 20 percent of the air we breathe consists of oxygen. The Earth's atmosphere is composed of approximately 78 percent nitrogen, 21 percent oxygen, and trace amounts of other gases. This oxygen is essential for human and animal respiration, supporting life by allowing cells to produce energy.
Oxygen is the gas that accounts for about 20 percent of Earth's atmosphere.
Ari Romero was born on 1951-12-20.
Oxygen
Ari Benjamin Meyers was born on 1972-06-20.
Oxygen
Oxygen is a non-metal gas that makes up about 20% of normal air.