NALLA SANJEEVA REDDY
Follow
Posted 5 year ago
What is the percentage of oxygen in the air?
6 Answer(s)
Sunita Shirtode
Follow
Pawan Kumar
Follow
Savita Gopal Mali
Follow
Nikku
Follow
Posted 5 year ago Nikku Gurushala Teacher Coach

The normal air in our environment consists of a few different gases. Approximately 78 percent of the air is nitrogen gas while only about 20.9 percent is oxygen. The remaining fraction is made up of primarily argon gas, but trace amounts of carbon dioxide, neon and helium are also present.

Priya Soni
Follow
loader-image