Differentiation of the Earth's iron core and collisions of planetesimals caused early Earth to
A) glow brighter than the Sun.
B) be much cooler than at present.
C) be much hotter than at present.
D) be much more oblong than at present.

Name: Differentiation of the Earth's iron core and collisions of planetesimals caused early Earth to A) glow brighter than the Sun. B) be much cooler than at present. C) be much hotter than at present. D) be much more oblong than at present.
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The Answer is C

Differentiation of the Earth's Iron Core and Collisions of Planetesimals