Multiple Choice
The polar caps on Mars are MOST likely made up of
A) volcanic outflows of light-colored lava and dust similar to that produced by Earth-based volcanoes (such as Mount St. Helens) .
B) sulfur dioxide and sulfur compounds.
C) light-colored dust, blown there by the Martian dust storms.
D) water and carbon dioxide ices.
Correct Answer:
Verified
Correct Answer:
Verified
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