Which of the Following Is Incorrect Regarding Earth's Inner Core

question 165

Multiple Choice

Which of the following is incorrect regarding Earth's inner core?

• A) It has a density of 13.5 grams/cm³.
• B) It is solid iron in composition.
• C) It is the source of Earth's magnetic field.
• D) It is about 1230 km (760 mi.) thick.

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