what are the main gases in the atmosphere
Edit. Share to: the main three gases in air are nitrogen, oxygen and inert gases 78% of air is made up of nitrogen, 21% is oxygen, just under 1% is argon and the remaining part is made up o â¦ f other gases such as carbon dioxide and water vapour.+ 9 others found this useful.nswer The Earth's atmosphere contains roughly by volume: 78.08% nitrogen 20.95% oxygen 0.93% argon 0.038% carbon dioxide and trace amounts of other gases, and a variable amou â¦ nt of water vapor. Approximate: + 11 others found this useful.