Why is the very center of Earth's core a solid and not a liquid?
A) There is less metal in the central core.
B) The central core has a combination of gases with the metals.
C) Accretion "seeded" Earth with a solid central core.
D) The pressure at the central core raises the melting point of the metals higher than its temperature.
E) The central core is a frozen block of water ice.

Question

Quizplus · Accepted Answer

The pressure at Earth's central core is extremely high, which significantly raises the melting point of the metals present there. Despite the high temperatures, this pressure keeps the core in a solid state.

Why Is the Very Center of Earth's Core a Solid