Which of these provides the best evidence that Earth's crust is divided into tectonic plates? A. the distribution of earthquakes on Earth's surface
B. the distribution of water on Earth's surface
C. the distribution of rock types on Earth's surface
D. the distribution of biomes on Earth's surface

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 factors add to the greenhouse effect and are caused by human activities?

At which boundary does subduction stop occurring, resulting in a mountain range?