The predominant gas in the atmosphere of Mars is
A)oxygen.
B)nitrogen.
C)water vapor.
D)carbon dioxide.
E)methane.

Question

Quizplus · Accepted Answer

The predominant gas in the atmosphere of Mars is carbon dioxide, making up about 95% of the atmosphere. The remaining 5% is made up of nitrogen, argon, oxygen, and trace amounts of other gases. Water vapor is present in small amounts and methane has also been detected but in very low concentrations.

The Predominant Gas in the Atmosphere of Mars Is