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Why are Convection Currents important in Plate Tectonics?

Convections currents in the earth's mantle are thought to be the driving force of plate tectonics . Where the hot magma is brought near the surface by the convection currents a divergent boundary is created. The divergent boundaries form new oceans and widen existing oceans. They also form volcanos, islands and undersea mountain ranges.

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Explanation:

Convection currents play a role in the circulation of fluids. Convection currents are the result of differential heating. ... Inside Earth, the convection of mantle material is thought to cause the movement of the overriding crustal plates, resulting in events such as earthquakes and volcanic eruptions.

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