Question

Persentage of gases​

Answer 1

Composition of air

Nitrogen — 78 percent. Oxygen — 21 percent. Argon — 0.93 percent. Carbon dioxide — 0.04 percent

Answer 2

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