Which statement is not true about the polar caps of Mars?

0 votes
    They are both predominantly water ice, with a small amount of carbon dioxide.
     They contain a residual cap, which remains frozen.
     They shrink and grow with the Mars seasons.
     They store a large fraction of the gas that was once contained in the Mars atmosphere.
     They cause variations in the atmospheric pressure.
asked Sep 20, 2012 in Astronomy by anonymous
    

1 Answer

0 votes
They are both predominantly water ice, with a small amount of carbon dioxide.
answered Sep 22, 2012 by SkyStar ~Expert~ (2,855 points)

Related questions

0 votes
1 answer 29 views
29 views asked Sep 20, 2012 in Astronomy by anonymous
0 votes
1 answer 1,487 views
0 votes
1 answer 56 views



...