Earth's Solid Inner Core Results from the Fact That the

question 85

Multiple Choice

Earth's solid inner core results from the fact that the

• A) outer core is heated and melted by friction between the core and the mantle, and this heating does not extend to the inner core.
• B) melting temperature of an iron-nickel mixture increases with increasing pressure and rises above the actual temperature in the inner core.
• C) inner core has a different composition than the outer core, with a higher melting temperature.
• D) temperature of the inner core is lower than the temperature of the outer core, producing a temperature inversion.

---

Definitions:

Formal Messages

Communication that follows a professional structure, language, and format, often used in business or official contexts.

Headings

Titles or labels used in written material to organize content and aid in navigation and understanding by the reader.

Extravagantly Changed

Describes something that has been altered or modified in an excessive, elaborate, or luxurious manner.

Informal Words

Language typically used in casual or personal conversations, characterized by a relaxed tone and common, everyday expressions.