The lithosphere is composed of which two layers?

What feature is produced at a divergent boundary where there is seafloor spreading?

What process deep in the earth's mantle causes the plates to move?

Paleomagnetism is used to prove

Subduction results in the formation of ____.

In a convection current, the hot material _______, because it is _______ dense.

90% of world's earthquakes and 75% of its volcanoes happen at what zone?

What layer of the earth is liquid with convection cells that drive plate motion?

How did the Himalaya Mountains form?

Seafloor spreading at an oceanic-oceanic divergent boundary produces ____.

Which of the following provides evidence for the theory of seafloor spreading?

What geological process created the Hawaiian Islands?

What process was used to prove Continental Drift after Alfred Wegener died?

What type of rocks are formed by molten material such as lava or magma?

What is continental drift?