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What type of movement is assumed in the mantle in Convectional Current Theory?

Answer and explanation

Correct answer: Extremely slow convective movement

According to Convection Current Theory, temperature and density differences generate extremely slow convective currents in the mantle. Hotter, less dense material rises, while cooler, denser material sinks. This movement occurs over geological timescales, so option A is correct. Option C is a close distractor, but the mantle is not considered completely stationary. Exam tip: link convection currents with plate movement and continental drift.

Related tags

Mantle ConvectionConvection Current TheoryPlate TectonicsContinental DriftGeological TimePost Drift Studies And Convectional Current TheoryDistribution Of Oceans And ContinentsGeography

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