Are the summers wet or dry on the coast of northern california and oregon?

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

Agricultural practices in the united states nearly led to the extinction of the peregrine falcon during the 1950s and 60s.

The position on the earth in which a place can be found