Earth's Innermost Core Is Solid, Not Liquid, Because

question 94

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 the material to be in a liquid state.
• E) iron does not melt.

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Definitions:

Boundary Conditions

Constraints or limits that define the state or parameters for a particular system or problem.

Climate Computer Model

A computational program that simulates the Earth's climate systems to predict future climate changes based on various scenarios of greenhouse gas emissions.

Greenhouse Gases

Gases in Earth's atmosphere that trap heat, contributing to the greenhouse effect, including carbon dioxide and methane.

Chlorofluorocarbons

Man-made chemical compounds once used in aerosol sprays and refrigerants, known for their damaging effects on the Earth's ozone layer.