Why are material in the inner core believed to be in solid state? - Quora
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Why are material in the inner core believed to be in solid state
Why are material in the inner core believed to be in solid state
Why are material in the inner core believed to be in solid state
Why are material in the inner core believed to be in solid state
Why are material in the inner core believed to be in solid state
Why are material in the inner core believed to be in solid state