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Question

Identify the constituents of NiFe.

A
Nickel
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B
Iron
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C
Feldspar
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D
Neon
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Solution

The correct options are
A Nickel
B Iron
The innermost layer of the earth is called the core. It's radius is approximately 3,500 km. It is composed of nickel and iron (ni – nickel, fe – ferrous).

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