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25 August, 19:32

What are convection currents and what causes them?

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  1. 25 August, 19:54
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    Caused by the very hot material at the deepest part of the mantle rising, then cooling, sinking again and then heating, rising and repeating the cycle over and over.

    It is the movements within the Earth's mantle caused by the heat of the core. The region where two or more tectonic plates meet.
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