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Question

The innermost layer of the earth is _________.

A
Crust
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B
Core
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C
Mantle
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D
None of these
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Solution

The correct option is B Core
Earth's inner core is the innermost geologic layer of the Earth. It is primarily a solid ball with a radius of about 1,220 kilometres (760 miles), which is about 20% of the Earth's radius or 70% of the Moon's radius.

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