Question

write a composition of air​

Answer 1

Answer:

Composition of air

Nitrogen — 78 percent.

Oxygen — 21 percent.

Argon — 0.93 percent.

Carbon dioxide — 0.04 percent.

Trace amounts of neon, helium, methane, krypton and hydrogen, as well as water vapor.

Answer 2

The composition of air are:

nitrogen: 78%

oxygen: 20.9%

carbon dioxide:0.03%

argon:0.90%

other gases:0.17%

these is the real composition of air.