What is the amount of chemical iron element in the Earth's composition – McqOptions

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1.	What is the amount of chemical iron element in the Earth's composition?
A.	लगभग 20 - 22 प्रतिशत
B.	लगभग 25 - 27 प्रतिशत
C.	लगभग 40 - 42 प्रतिशत
D.	लगभग 32 - 35 प्रतिशत
Answer» E.

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