Showing posts with label oxygen and silicon. page 292. Show all posts

Showing posts with label oxygen and silicon. page 292. Show all posts

Monday, 14 December 2015

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

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292. 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

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