Question

Match the following names of the gases with their respective share of presence in the atmosphere.

• A. 78%
• B. 21%
• C. 0.93%
• D. 0.033%

Answer 1

78% of the atmosphere is nitrogen and 21% of it is oxygen. The remaining 1% mostly contains argon (0.93%), carbon dioxide (0.033%), and several other gases like hydrogen, helium, neon, krypton, xenon, methane, ozone, and water vapour.