Which layer of the Earth is composed mainly of nickel and iron? MCQ with Answer and Explanation

Which layer of the Earth is composed mainly of nickel and iron?
A. Crust
B. Lithosphere
C. Mantle
D. Core
Answer: Option D
Solution (By JKExamLibrary)
The Earth's core is primarily composed of nickel and iron (NiFe). It is divided into the outer core and inner core and is the hottest part of the Earth.

This question belongs to: Geography GK Physical Geography

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