Multiple Choice
The following is a picture of a landform on Mars.What feature in this picture indicates that Mars may have had running water some time in the past? 
A) deeply cut channels formed by a flowing river
B) large sandbars likely formed by a sediment-choked river
C) depressions formed during collapse of sinkholes
D) a large flat expanse of land, likely a river floodplain
Correct Answer:
Verified
Correct Answer:
Verified
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