Chunky Tectonic Plates. Or . . . Earth is really chunked up. The farther oceanic crust is from a mid-ocean ridge the _________ it is. older. The area of the U.S. that has frequent earthquakes is _____________. California or the West Coast or Alaska or Hawaii.
Or . . . Earth is really chunked up.
California or the West Coast or Alaska or Hawaii
Earthquakes, volcanoes and mountains
Convection or convection currents
Pacific Plate and North American Plate
B) Mountain Ranges
D) All of the above