Question

1. Atmosphere is mainly composed of three major gases-nitrogen,
and​

Answer 1

Answer:

Your ans will be:

Nitrogen — 78 percent. Oxygen — 21 percent. Argon — 0.93 percent.

• Nitrogen
• oxygen
• argon.

Hope so it will help you..✌️

Answer 2

Answer:

nitrogen = 78%

oxygen =21%

argon = 0.9%

There are other gases too if you want mention it to your answer

They are carbon dioxide, methane ,nitrous oxide ,ozone , trace gasses etc.