Seudónimo Seudónimo

13-04-2018
Biology

contestada

The earth's oceans are made up of _, __, chlorine, and trace elements. A) carbon, oxygen B) oxygen, silicon C) hydrogen, oxygen D) nitrogen, oxygen

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matiblake17 matiblake17

13-04-2018

i think the answer is A

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chrisaaaa chrisaaaa

16-04-2018

The answer would be D) nitrogen and oxygen

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