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Which of the following features is best explained by the process of planetary differentiation in the early Earth?

Answer and explanation

Correct answer: Concentration of dense iron and nickel at Earth’s centre

In the molten early Earth, denser iron and nickel sank and concentrated at the centre, while lighter silicates remained above. Nitrogen formation concerns atmospheric evolution, not differentiation. Exam tip: link differentiation with density-based layering.

Related tags

Earth EvolutionPlanetary DifferentiationEarth StructureCore FormationPhysical GeographyEvolution Of The EarthThe Origin And Evolution Of The EarthGeography

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