General Knowledge - Basic General Knowledge - Discussion

34. 

The three abundant elements in the earth's crust are aluminium, oxygen and silicon. The correct order of their abundance is

[A]. oxygen, aluminium, silicon
[B]. aluminium, silicon, oxygen
[C]. oxygen, silicon, aluminium
[D]. silicon, oxygen, aluminium

Answer: Option C

Explanation:

Oxygen (46.60%) Silicon (27.72%) Aluminium (8.13%)

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