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| The mixture of gases that surround the earth. |
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| All the parts of the earth that are water. |
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| The earth` s crust plus the rigid upper part of the mantle. |
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| A theory that states the lithosphere is made of plates that move very slowly. |
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Definition
| A shaking and trembling of the earth` s crust. |
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Definition
| A break in the earth`s crust. |
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| A point underground where the vibrations of an earthquake begin. |
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| An instrument that measures and records earthquake waves. |
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| An opening in the earth through which molten rock material reaches the earth`s surface. |
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Definition
| Molten rock mixed with gases within the earth. |
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Term
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Definition
| Molten rock that reaches the earth`s surface. |
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