From something as big as a country or as little as a classroom, this is a location on Earth that has distinctive characteristics that make it meaningful to people.

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

Where does the availability of water pose the greatest problem

What is the process that powers plate tectonics