Third most common gas found in the air we breathe

The most common gas people breathe from the clean air is nitrogen. Air is a mixture of gases, and the air on Earth contains about 78 percent nitrogen and about 21 percent oxygen. Argon, carbon dioxide neon, helium, methane, krypton, hydrogen, and xenon are in much smaller amounts.

Post By : Sakshi Yadav 06 Oct, 2018 3151 views Chemistry