65ᵗʰ B.P.S.C. (Re-Exam) (Pre) 2020
The most abundant gas in the Earth's atmosphere is-
aHydrogen
bOxygen
cCarbon dioxide
dNitrogen✓ Correct
eNone of the above/More than one of the above
Explanation
See the explanation given above.
general-science
See the explanation given above.