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In Arthur Holmes' idea, what does the cooler part of a convection cell generally do?

Answer and explanation

Correct answer: Sinks downward

In a convection cell, cooler material becomes relatively denser, so it sinks downward. In contrast, hotter and less dense material rises upward. Arthur Holmes considered such convection currents in the mantle as a possible cause of continental movement. Exam tip: in convection, hot material rises and cool material sinks.

Related tags

GeographyArthur HolmesConvection CurrentsMantle ConvectionContinental DriftPlate TectonicsPost Drift Studies And Convectional Current TheoryDistribution Of Oceans And Continents

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