Why Did It Take So Long for True Crust to Form

question 7

Multiple Choice

Why did it take so long for true crust to form on Earth?

• A)because Earth had to complete the differentiation process before rocks could form
• B)because temperatures were so high that any crust that did form was quickly remelted
• C)because there was no atmosphere on the planet and thus no air to cool the crust
• D)because heat from the creation of the magnetic field kept the surface molten

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A stable characteristic or quality that describes a person's typical behavior or attitude.

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The unexpected improvement or cure of a disease or condition without medical intervention, often seen in cases such as cancer.

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