Compared to the summer, the atmospheric pressure above a Martian polar cap in winter is
A) lower
B) about the same
C) slightly higher
D) much higher

Question

Quizplus · Accepted Answer

During winter, the carbon dioxide from the Martian atmosphere freezes and deposits onto the polar caps, reducing the mass of the atmosphere and thus lowering the atmospheric pressure above the polar cap.

Compared to the Summer, the Atmospheric Pressure Above a Martian