Answer: The core is in a cube structure, extreme temperatures make the atoms to move so quickly that there is no alteration of the structure hence, no melting.
Step-by-step explanation:
Answer:
The liquid outer core cools the inner core. The plastic mantle conducts the heat away from the core. The iron which makes up the core melts at very high temperature. The different layers of Earth exert pressure to keep the inner core solid
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