To which of these responsibilities of citizenship does this excerpt speak

The difference(s) between the grand canyon and valles marineris is/are: (a) the grand canyon was formed by water, but valles marineris was not. (a) valles marineris is much longer than the grand canyon. (c) valles marineris is much wider than the grand canyon. (d) valles marineris has large volcanoes near it. all of the above

Which of the following is true of all geographic locations on earth?

Which is the most reasonable capacity of a water pitcher. m a 2 ml b 20 ml c 2 l d 20 l