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What causes the convection currents in the mantle?

User Mikeplate
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2 Answers

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I believe your answer is heat . In Earth's mantle, large amounts of heat are transferred by convection currents

User Surfen
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Convection currents in the magma drive plate tectonics. Heat generated from the radioactive decay of elements deep in the interior of the Earth creates magma (molten rock) in the aesthenosphere.

User Felixphew
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