theteenjesus
theteenjesus theteenjesus
  • 11-10-2016
  • Chemistry
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Which one of these is a compound? a) air b) carbon dioxide c) oxygen and d) carbon

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zachhxoxo
zachhxoxo zachhxoxo
  • 11-10-2016
i believe its B from what i remember in biology class
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Аноним Аноним
  • 11-10-2016
i think is b  carbon dioxide  
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