The Inner Core Is Believed to Rotate Independently from the Outer

question 15

Multiple Choice

The inner core is believed to rotate independently from the outer layers of Earth.Why is this possible?

• A)The immense interior pressures generate rotation.
• B)The inner core is separated from the mantle by the liquid outer core and can spin freely.
• C)Radioactive decay generates spin.
• D)Frictional drag pushes the inner core at a different rate than the rest of the planet.

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Definitions:

Signs

Symbols that stand for or convey an idea.

Symbolic Culture

The aspect of culture that includes nonmaterial cultural elements such as beliefs, practices, values, and symbols that have meaning and significance in society.

Material Culture

The physical objects, resources, and spaces that people use to define their culture, including buildings, artwork, tools, and clothing.

Ideal Culture

The values, norms, and behaviors that a society or group considers desirable and strives towards, often in contrast to real culture.