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 chrisaaaa
  • 16-04-2018
The answer would be D) nitrogen and oxygen 

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