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Unit 1 study stuff
For Environmental Earth Science class
Term | Definition |
---|---|
Convergent Boundary | the boundary between two colliding plates. |
Divergent Boundary | the boundary between two plates that are pulling away from each other. |
Transform Boundary | the boundary between two plates that are sliding past each other. |
Asthenosphere | putty-like layer of the mantle under the lithosphere; responsible for the movement of the crust |
Subduction zones | region in which a portion of a tectonic plate sinks beneath another plate into the Earth's interior; defined by deep oceanic trenches |
Theory of Plate Tectonics | Earth's lithosphere is divided into several plates that glide over the mantle |
Continental Drift | The continents were once together, but separated over time |