The vertical sequence of the layers of soil is called a soil a. family. b. horizon. c. profile. d. dynasty.

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

The english language is part of which language family? a. alatic b. dravidan c. indo-european d. khoisan

Which types of seismic waves travel through earths interior? select all that apply. a) l waves b) p waves c) s waves