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the solid, outer layer of the earth that consists of the crust and the rigid upper part of the mantle
the hypothesis that states that the continents once formed a single landmass, broke up, and drifted to their present locations
the theory that pieces of Earth's lithosphere are in constant motion, driven by convection currents in the mantle
the process by which oceanic crust sinks beneath a deep-ocean trench and back into the mantle at a convergent plate boundary
plates that move apart as a result of pulling forces that act in opposite directions on each plate. it forms new crust
a shaking or sliding of the ground. It is caused by the sudden movement of masses of rock along a fault or by changes in the size and shape of masses of rock far beneath the earth's surface.
strike slip faults
known as transform faults when coincide with plate boundary; motion is entirely horizontal
A type of fault where the hanging wall slides downward; caused by tension in the crust.
a type of fault where the hanging wall slides upward; caused by compression in the crust (opposite of a normal fault)
what type of plate movement creates folding mountains
folds are bends in the rock that form when compression shortens ad thickens part of the earth's crust
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