Why Did the Early Earth Differentiate into Core and Mantle

question 14

Multiple Choice

Why did the early Earth differentiate into core and mantle?

• A) Gravity pulled denser material to the interior and left less dense material on the outside.
• B) Nucleosynthesis created an outer mantle layer from fusion of the elements in the core.
• C) Gravity first pulled denser material into a protoplanet,and only later was mantle material added.
• D) Spinning on its axis caused less dense mantle material to float outside the core.

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