Multiple Choice
The difference between the Grand Canyon and the Valles Marineris is:
A) the Grand Canyon was formed by water.
B) the Valles Marineris is much larger than the Grand Canyon.
C) the Valles Marineris has tectonic features surrounding it.
D) the Valles Marineris has craters in and around it.
E) All of the above.
Correct Answer:

Verified
Correct Answer:
Verified
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