The residual polar caps on Mars are made of
A) carbon dioxide ice
B) methane ice
C) water ice
D) a uniform mixture of water and carbon dioxide ices
Question 2
Due to its elliptical orbit, Mars is farther from the Sun on average during summer in the Northern Hemisphere. This means Northern Summer on Mars will be
A) long and mild
B) short and hot
C) long and hot
D) short and mild