Geography
Geography, 10.10.2019 00:10, Calvinailove13

The predominant gas in the earth's atmosphere is

a.
helium

b.
oxygen

c.
methane

d.
water vapor

e.
nitrogen

answer
Answers: 3

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Do you know the correct answer?
The predominant gas in the earth's atmosphere is

a.
helium

b.
...

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