alleryWhich three gases are the major constituents of Earth's atmosphere?
AOxygen, hydrogen and helium
BCarbon dioxide, methane and neon
CNitrogen, helium and ozone
DNitrogen, oxygen and argon
Answer & Solution
Correct answer: D. Nitrogen, oxygen and argon
Nitrogen, oxygen and argon make up nearly all of the air, with other gases present only in tiny amounts.
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