Seudónimo Seudónimo
  • 17-10-2017
  • Physics
contestada

which of these is an element? A. oxygen B. sodium chloride C. water D. air

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hunnybun2104
hunnybun2104 hunnybun2104
  • 17-10-2017
A. Oxygen 
Would be the correct answer.
Hope this helps! :)
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