Question

Which gas is the most abundant in earth's current atmosphere?

A.nitrogen

B.oxygen

C.carbon dioxide

D.hydrogen

Answer 1

a

Answer 2

Nitrogen accounts for 78% of the atmosphere, oxygen 21% and argon 0.9%. Gases like carbon dioxide, nitrous oxides, methane, and ozone are trace gases that account for about a tenth of one percent of the atmosphere.

Answer 3

nitrogen

Answer 4

Definitely Nitrogen. Oxygen is what we immediately think of, but there isn't nearly as much oxygen as there is nitrogen. And CO2 is a small small portion

Answer 5

thank you very much