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unit 6

QuestionAnswer
Pangaea the continents were joined in a single large landmass they call pangaea
Sea-floor spreading the process by which new oceanic lithosphere seafloor forms when magma rises to earths surface at mid-ocean ridges and solidifies as older existing sea floor moves away
Plate tectonics the theory that explains how large pieces of the lithosphere called plates move and change shape
Tectonic plates a block of lithosphere that consists of the crust and the rigid outermost part of the mantle
Convergent boundary the boundary between tectonic plates that are colliding
Divergent boundary the boundary between two tectonic plates that are moving away from each other
Transform boundary the boundary between tectonic plates that are sliding past each other horizontal
Convection the movement of matter due to difference in density that are caused by temperature variations can result in the transfer
Created by: Tianalew7
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