Earth's Innermost Core Is Solid,not Liquid,because

question 10

Multiple Choice

Earth's innermost core is solid,not liquid,because

• A) the core temperature is too low to melt iron.
• B) differentiation caused all of the heavy,solid material to sink to the bottom while Earth was forming.
• C) all the liquid has moved up into the mantle via convection.
• D) the pressure is too high for a liquid state.

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