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The theory of _____ suggests that the crust of the earth is divided into pieces and moves about on the upper mantle.

A) plate tectonics

B) volcanism

C) continental drift

D) accretion

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User Chadrik
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2 Answers

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Plate Tectonics. C.

Good luck. Hope this helps
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User CrepuscularV
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Plate tectonics and the earth is separated into many pieces which move around and create earthquakes and volcanoes
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User Steve Moseley
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