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Definition
| The idea that the Earth's crust is divided into large plates that slowly shift relative to each other. |
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Definition
| A section of the lithosphere that moves slowly over the asthenosphere, carrying pieces of continental and oceanic crust. |
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Definition
| The place where two techtonic plates meet. |
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Definition
| A rigid layer made of the uppermost part of the Earth's mantle and crust. |
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Definition
| The soft layer of the mantle on which the lithosphere floats. |
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Definition
| The movement of heat caused by density changes in liquid and gasses. |
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Definition
| The boundary between two plates that slide past one another. |
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Definition
| The boundary between two techtonic plates moving away from each other. |
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Definition
| The boundary between two techtonic plates moving toward each other. |
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Term
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Definition
| The sideways and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate. |
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