What states does the Red River flow through?

In 1 or 2 sentences, define nationalism and give an example.

Which of the following is not an effect of land substance

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