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Which combination best explains unstable surface environment of early Earth?

Answer and explanation

Correct answer: Frequent impacts, a molten surface, intense volcanism and gas release

Early Earth was extremely hot and geologically active. Frequent impacts, a molten or partly molten surface, intense volcanism, and the release of gases kept its surface and atmosphere unstable. Option A describes a relatively stable, life-supporting Earth that developed much later. Exam tip: associate early Earth with heat, impacts, and volcanic outgassing.

Related tags

Early EarthEarth EvolutionVolcanismMeteorite ImpactsAtmospheric OutgassingEvolution Of The EarthThe Origin And Evolution Of The EarthGeography

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