Multiple Choice
What is a Martian dust devil?
A) a line of sand dunes marking the edge of an ancient tectonic plate
B) the name given to one of the humanlike forms imaged on Mars in the 1970s
C) a natural whirlwind on the planet's surface
D) the name given to a possible fossil found in a dust-filled meteorite from Mars
Correct Answer:

Verified
Correct Answer:
Verified
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