The Theory of Plate Tectonics States That

question 90

Multiple Choice

The theory of plate tectonics states that

• A)the lithosphere is broken up into several plates that move about as a result of convective motion in the asthenosphere.
• B)earthquakes and volcanic activity result from convection motion in the lithosphere.
• C)buoyant lithospheric plates float on top of the rigid asthenosphere.
• D)the plates move in conveyor-belt fashion as new crust is generated at the continental margins and destroyed at the mid-ocean ridges.

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