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%)

Question

Emma Villegas

25 March, 23:52

+2

Answers (2)

Know the Answer?

Winston Koch · Answer 1

Just doing this so I can get my 4 answers out the way to be able to message people

Wayne Pineda · Answer 2

The answer is B. Because the Earth’s atmosphere is mostly nitrogen and oxygen.

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%)