Question

what are the major constitution atmosphere by percent is

Answer 1

$\bf\huge\color{red}{ANSWER}$

Major Constituents in the atmosphere in % are :-

Nitrogen ☞ 78%
Oxygen ☞ 21%
Argon ☞ 1%
Carbon Dioxide ☞ 0.03%
Other gases ☞ 0.02%

Answer 2

Earth's atmosphere is 78% nitrogen, 21% oxygen, 0.9% argon, and 0.03%carbon dioxide with very small percentages of other elements.



☛ Our atmosphere also contains water vapor.