Answer:
its Planet Differentiation i just got an A on k12
Explanation:
The scientist identify this process of the planetaries as Planetary differentiation.
Planetary differentiation refers to the separation of different element of planetary materials which brings about the formation of distinct compositional layers.
The inner structure of the planet which consist of the material like iron while its outer part such as ice, liquid and gas formed the surface.
Therefore, the Option C. is correct.
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