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Cards In This Set
| Front | Back |
 Lithosphere |
A rigid layer made up of the uppermost part of the mantle and the crust.
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 Plate tectonics |
The theory that pieces of Earth's lithosphere are in constant motion, driven by convection currents in the mantle.
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 Continental drift |
The hypothesis that the continents slowly move across Earth's surface.
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 Convergent boundary |
A plate boundary where two plates move toward each other.
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 Divergent boundary |
A plate boundary where two plates move away from each other.
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 Transform boundary |
A plate boundary where two plates move past each other in opposite directions.
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