Environmental Studies Short Question | Gkseries

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Question

The elemental composition of earth’s crust in the descending order of weight percent is

A Silicon > Aluminium > Iron >Calcium

B Aluminium > Iron > Calcium >Silicon

C Iron > Calcium > Silicon >Aluminium

D Calcium > Silicon >Aluminium > Iron

Answer & Explanation
Answer:Silicon > Aluminium > Iron >Calcium

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