The innermost layer of the earth's interior is called _____________.
A
SIAL
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B
SIMA
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C
NIFE
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D
Core
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Solution
The correct option is D Core The innermost layer of the earth is core. This central mass mainly made of nickel and iron and therefore is known as NIFE. The density of the layer is 5.1 to 13.00. It is composed of heaviest mineral materials. The core contains 1/3 of the entire mass of the earth. It has two layers outer metallic core and inner metallic core.