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8 Cards in this Set
- Front
- Back
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sea floor spread
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the process when motlen adds new oceanic crust to the ocean floor
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mid ocean ridge
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the undersea mountain chain were new ocean floor is produced
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subduction
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the process by which oceanis crust sinks in to a trentch, then the mantle
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plate tectonic
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the theory that pecies of the earths lithosphreare are in constant motion (drivin by convection currents inmantle)
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fault
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a break in earths crust were slabs of rock slip past each other
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transform boundry
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2 plates move past each other in opposite directions
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divergent boundry
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2 plates move away from each other
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convergent boundry
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2 plates move toward each other
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