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Define each of the following terms from Chapter 13:

Plate tectonics

Lithosphere

Asthenosphere

Continental drift

Mesosaurus

Plate boundaries

Spreading centers

Ring of Fire

Heat flow

Diverging plate boundaries

mid-ocean ridges

rift valleys

fracture zones

fault

transform plate boundary

converging plate boundary

collision boundary

subduction

deep-sea trench

cratons

thin-skinned thrusting

terrane