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What is the role of Earth's internal heat in Arthur Holmes's convection idea?

Answer and explanation

Correct answer: It can provide energy to convection movement of mantle material

Arthur Holmes suggested that heat inside Earth could produce movement in the mantle. Hot material tends to rise, while cooler material can sink, creating convection currents. Such movement was proposed as a possible force that could help move large sections of Earth’s crust over long periods. The idea connected internal heat with slow changes on Earth’s surface.

Option A is correct because it states that internal heat can provide energy for convection in mantle material. The other choices are unrelated to the theory: internal heat does not make oceans permanently fixed, erase fossils as its defining role, or make coastlines political. The important scientific connection is internal heat, mantle movement, convection, and possible crustal movement.

Related tags

Arthur HolmesInternal HeatMantle Motion

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