In 2012, snow was observed falling above the south pole of Mars. This snow was composed of:
A)water.
B)carbon dioxide.
C)methane.
D)ammonia.

Question

Quizplus · Accepted Answer

The snow observed on the south pole of Mars was made up of carbon dioxide, not water, methane, or ammonia. Mars' atmosphere is made up primarily of carbon dioxide, which freezes at the planet's poles due to the extremely low temperatures.

In 2012, Snow Was Observed Falling Above the South Pole