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Plate Tec./Sea Spdng

TermDefinition
divergent plates that move away from each other
convergent plates that move toward each other
Mid Ocean Ridge huge mountain on ocean floor
Mesosaurus dinosaurs used to prove drifting
Alfred Wegener came up with theory of plate tectonics
Harry Hess came up with theory of sea floor spreading
upper mantle Earth layer that plates move in
paleomagnetic This is not evidence of continental drift
oceanic plates Two of these moving towards each other cause sea floor spreading
convection currents This causes plates to move
mountain chains One area of proof that plate tectonics occurs
Created by: ami.anton
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