Inessicallew Inessicallew
  • 09-03-2017
  • Chemistry
contestada

Select all of the answers that apply. what are the two main ingredients in air? oxygen carbon dioxide nitrogen helium hydrogen

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CroceT CroceT
  • 09-03-2017
Carbon dioxide and nitrogen
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Аноним Аноним
  • 09-03-2017
Two main ingredients of air: Oxygen(21%) and Nitrogen(78%)
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