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.

Question

Quizplus · Accepted Answer

The pressure in Earth's innermost core is incredibly high, estimated to be about 3.6 million times greater than atmospheric pressure at sea level. This pressure is so intense that it prevents the iron within the core from melting, resulting in a solid inner core.

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