General Knowledge - Basic General Knowledge - Discussion


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


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

Post your comments here:

Name *:

Email   : (optional)

» Your comments will be displayed only after manual approval.