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Unformatted text preview: each other at a diagonal; most motion along the faults is vertical I. Accretion of meteorites A. Pieces of rock that are very far away from each other have gravitational potential energy; it is b/c of this energy that the rock comes together B. The pieces of rock collide due to the gravitational energy; the energy caused by the collision turns into heat (see figure 1) I. Convection A. When the earth gets rid of heat; driven by change in density (of rock) with temperature B. Material moves from where it’s hot to where it’s cold C. When rock reaches the top of earth’s surface, the material has to move laterally to get away from the heat coming from below D. Rock material cools down and eventually sinks again to the original hot area and then repeats the entire process all over again Figure 1...
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- Spring '99
- Potential Energy, Highest point, Death Valley, Valley A. Topography, Lowest land level