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staedtler staedtler
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The process by which heavier materials sank into the centers of terrestrial planets while lighter material rose to the surfaces early in the history of these planets is known as
A)   hot-spot volcanism.   C)   seafloor spreading.
B)   planetary differentiation.   D)   subduction.
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Discovering the Universe

Discovering the Universe


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staedtler Author
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I really appreciate your help!
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