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According to the convectional current theory, what was considered the main source of heat inside the Earth?

Answer and explanation

Correct answer: Decay of radioactive elements

Radioactive decay produces internal heat that powers convection. Exam tip: remember internal heat and mantle movement together.

Related tags

Radioactive DecayMantle HeatConvectionPost Drift Studies And Convectional Current TheoryDistribution Of Oceans And ContinentsGeographyClass 11 Mcq

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