Multiple Choice
What is the most likely origin of the Valles Marineris on Mars?
A) it is a fissure in the surface carved out by a giant impact
B) it is a tectonic fracture associated with the formation of the adjacent Tharsis bulge
C) it is a huge canyon system formed by water erosion
D) it was formed from the separation of two tectonic plates
Correct Answer:
Verified
Correct Answer:
Verified
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