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If hot material rises in the mantle what happens next to complete the cycle?

Answer and explanation

Correct answer: Cooler, denser material sinks downward

Convection currents form in the mantle because of temperature differences. Hot, less dense material rises; after cooling, it becomes denser and sinks. This downward movement completes the convection cycle. Option B is incorrect because the material does not remain permanently at the top. Exam tip: remember that hot, less dense material rises, while cool, denser material sinks.

Related tags

Mantle ConvectionConvection CurrentsContinental DriftPlate TectonicsEarth InteriorPost Drift Studies And Convectional Current TheoryDistribution Of Oceans And ContinentsGeography

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