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That force is caused by the convection currents in the magma below the plates.

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9y ago
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9y ago

The chemical process of convection turns magma between the colder earth's mantle and the hotter earth's inner core. This motion slowly moves land plates which sit atop magma.

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11y ago

it's caused by Convection

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Q: What is the driving force of plate tectonics'?
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