Biology

26 July, 21:40

Select the correct answer.

Which combination of gases dominates Earth's atmosphere?

A.

argon (78.50%), oxygen (20.90%)

B.

nitrogen (78.10%), oxygen (20.90%)

C.

carbon dioxide (78.15%), oxygen (20.90%)

D.

methane (50.10%), oxygen (49.9%)

E.

nitrogen (20.9%), oxygen (78.10%)

+5

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