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

question 44

Multiple Choice

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.

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Definitions:

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Generalized Anxiety Disorder in children, characterized by excessive worry about various aspects of life, such as performance in school or the safety of loved ones, which is persistent and not limited to specific situations.

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