quelicristinacr6118 quelicristinacr6118

24-01-2018
Chemistry

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In the whole earth, the four most common elements (by mass) are oxygen, silicon, magnesium, and ________.

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scotty001 scotty001

24-01-2018

I believe that the answer is iron.

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Flowerly Flowerly

24-01-2018

Hey there!

In the whole earth, the four most common elements (by mass) are oxygen, silicon, magnesium, and ________.

Answer: iron

Hope this helps
Have a great day (:

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