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2
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mountain ranges
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3
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a wave of energy that is generated by earthquake
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4
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measure of how much mass there is in a given volume of a substance
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5
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layer of molten metal
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6
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the continents were joined together in a supercontinent
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8
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process by which the ocean floor sinks beneath a deep ocean trench and back into the mantle
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9
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results of a force pressing on an area
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1
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plates move apart or diverge
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7
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is trace of ancients organism that has been preserved i rock
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