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Question

The core of earth is 2900 to 6376 kms in thickness. It is composed of _____.

A
Copper and nickel
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B
Iron and nickel
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C
Gold and nickel
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D
Silver and nickel
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Solution

The correct option is B Iron and nickel
  • The core is 2900-6376 kms in thickness.
  • It is composed of dense and heavy substances like iron and nickel.

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