The tropical wet and dry climate contains two major ecosystems, the tropical grassland and the

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

How long does it take neptune to orbit the sun?

Solve the equation.8 - 2x = -8х + 14