because you need air to live.
carbon hydrogen oxygen nitrogen and phosphorus
Hydrogen and Nitrogen. Or oxygen and carbon dioxide, or carbon monoxide.
Oxygen and Nitrogen
Oxygen and nitrogen - 80% nitrogen and 19% oxygen. :)
Nitrogen and oxygen
Nitrogen is the main gas in earth's atmosphere, composing 78% of it by volume while oxygen is 21%.
The two major components of the earth's atmosphere are nitrogen and oxygen. There is also trace amounts of hydrogen, carbon dioxide, and other gases.
True.
Nitrogen and Oxygen account for almost 99% of Earth's atmosphere.
The main gases in Earth's atmosphere are nitrogen, followed by oxygen.
Oxygen, carbon dioxide (no air is perfectly pure oxygen),and trace gases. So the atmosphere is made up of many many gases
in the atmosphere nitrogen and oxygen hydrogen and oxygen