1600Every Day ScienceMedium
The principal constituent of the atmosphere of the Earth is?
AOxygen
BHydrogen
CCarbon
DNitrogen
Correct answer
D. Nitrogen
Explanation
Explanation by Farah : By volume, dry air contains 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.04% carbon dioxide, and small amounts of other gases.