The claim that can be supported is that the channels in mars are made by the flow of lave and not by water. Thus, claim 2 is supportive.
According to the new studies of the surface features of mars there are some channels found through the plates of mars. At least one of the meandering channels on the surface of Mars can possibly be explained by the fact that flowing lava can create or carve patterns that resemble the riverbeds and canyons cut by water.
NASA delivered this talk on these findings on March 4, 2010, at the 41st Lunar and Planetary Science Conference at NASA's Goddard Space Flight Center in Greenbelt, Maryland.
The possibility of discovering life on Mars is supposed to be affected by the question of whether the channels on Mars were produced by lava or by water.
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