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cluponka [151]
3 years ago
10

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

Chemistry
2 answers:
Svetllana [295]3 years ago
8 0
I believe that the answer is iron.
dalvyx [7]3 years ago
5 0
Hey there!

<span>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 (:
</span>
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