Question

Which is the most commom atmospheric gas ?
​

Answer 1

Answer:

According to NASA, the gases in Earth's atmosphere include:

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

Answer:

According to NASA, the gases in Earth's 1.atmosphere include:

2.Nitrogen — 78 percent.

3.Oxygen — 21 percent.

4.Argon — 0.93 percent.

5.Carbon dioxide — 0.04 percent.

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