The mixture of water vapor and smog can result in.

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 age groups shows the graestest diferrence between males and females

Political boundaries are determined by the political party in control at the time. true or false