1 .		The lithosphere consists of both crustal rocks and a portion of the upper mantle.   True  False
2 .		Transform faults join two segments of a mid-ocean ridge.   True  False
3 .		The rate of plate movement is measured in kilometers per year.   True  False
4 .		In North America, the Cascade Range and Sierra Nevada system are continental volcanic arcs associated with the subduction of oceanic lithosphere.   True  False
5 .		The "Ring of Fire" is an area of earthquake and volcanic activity that encircles the Pacific Ocean basin.   True  False
6 .		To explain continental drift, Wegener proposed that the continents broke through the oceanic crust, much like ice breakers cut through ice.   True  False
7 .		Seafloor spreading is the mechanism that has produced the floor of the Atlantic Ocean during the past 165 million years.   True  False
8 .		According to the results of your Net Search, the JOIDES Program office is located at the Woods Hole Oceanographic Institution.   True  False
9 .		The supercontinent of Pangaea began breaking apart about 200 million years ago.   True  False
10 .		Lithospheric plates are thickest in the ocean basins.   True  False
11 .		The unequal distribution of heat inside the Earth generates some type of thermal convection in the crust that ultimately drives plate motion.   True  False
12 .		Slab-pull is probably the least important of all proposed mechanisms of plate motion.   True  False