Nenny133 Nenny133
  • 17-03-2016
  • Physics
contestada

Of gold, oxygen, iron, and sulfur, which is a renewable source?

Respuesta :

alcru alcru
  • 17-03-2016
oxygen bc plants go through photosynthesis which keeps producing more oxygen
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lalaina
lalaina lalaina
  • 17-03-2016
oxygen, you use it and trees give it back.
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