Answer:
Nitrogen, Oxygen, and Argon are the most commonly found gases in the atmosphere.
Composition of the earth’s atmosphere
The composition of the earth’s atmosphere is as mentioned below:
- 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 vapour.