Multiple Choice
Which statement is TRUE for Mars?
A) Linear canals, apparently built to carry water for irrigation, criss-cross the planet.
B) Water can be seen in the bottoms of river valleys on spacecraft photographs.
C) Mars has dry riverbeds but no liquid water on its surface at the present time.
D) There is no evidence of water ever having been on Mars.
Correct Answer:
Verified
Correct Answer:
Verified
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