During summer, the northern polar cap of Mars is made of
A) carbon dioxide ice overlaying water ice
B) a layer of carbon dioxide ice
C) a layer of water ice
D) water ice overlaying carbon dioxide ice

Question

Quizplus · Accepted Answer

The northern polar cap of Mars is primarily made of a layer of water ice, distinguishing it from the southern polar cap, which contains more carbon dioxide ice.

During Summer, the Northern Polar Cap of Mars Is Made