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MPPSC Prelims 2020Paper-IIQ. 17 of 198
Q. 171 markMedium
MPPSC Prelims 2020·Paper-II
What does the discussion in paragraph of runoff channels in the southern highlands suggest about Mars?
(a)The atmosphere of Mars was once thinner than it is today
(b)Large amounts of rain once fell on parts of Mars
(c)The river systems of Mars were once more extensive than Earth’s
(d)The rivers of Mars began to dry up about 5 billion years ago