What is the strongest evidence for liquid water flowing on Mars today?
A) the continued erosion of some riverbeds
B) brown lines on some surface features believed to be salt deposits from water flows
C) seasonal channels feeding meltwater pools near the polar ice caps
D) There is no such evidence; water does not appear to be flowing on Mars at present.
Correct Answer:
Verified
Q233: Which of these is true of Mars?
A)
Q234: Evidence of past water on Mars comes
Q235: The polar caps on Mars are now
Q236: The "snow" that occasionally falls in and
Q237: What significant evidence is there for the
Q239: In view of the present surface and
Q240: Experiments carried out to detect life on
Q241: The Martian moon Phobos orbits near the
Q242: The exploratory life-sciences experiments aboard the Viking
Q243: What evidence have some scientists claimed for
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