queennikyleowupke queennikyleowupke
  • 16-10-2017
  • Geography
contestada

Earth's atmosphere is composed by 78 percent of what gas

Respuesta :

aly40 aly40
  • 16-10-2017
It contains 78 percent Nitrogen
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AhmedAshraf AhmedAshraf
  • 16-10-2017
nitrogen!............
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