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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

User Chadrik
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2 Answers

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Plate Tectonics. C.

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