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GS Geography Physical Geography of World
Q.

Which part of the Earth has the abundance of nickel and iron?
Explanation:

ANS. (C) 
The core of earth is composed mainly of iron (Fe) and nickel (Ni) and hence it is also called as NIFE. It is responsible for earth’s magnetism. This layer has the maximum specific gravity. It lies between 2900 km and 6400 km below the earth’s surface. It accounts for 16 per cent of the earth’s volume.

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