Question

oxygen kitne percent hai atmosphere​

Answer 1

Answer:

the gases in Earth's atmosphere include: Nitrogen — 78 percent. Oxygen — 21 percent. Argon — 0.93 percent.

Answer 2

Answer:

Nitrogen- 78% ,Oxygen-21% Argon-0.93% Carbon dioxide 0.04% , and trace amounts of neon ,helium ,methane ,krypton and hydrogen as well as water vapour