cowboyup221
cowboyup221 cowboyup221
  • 08-02-2017
  • Social Studies
contestada

Which gas is the most abundant of the trace gases?
A. nitrogen
B. oxygen
C. argon
D. carbon dioxide

Respuesta :

gortisonottaco
gortisonottaco gortisonottaco
  • 08-02-2017
A. nitrogen

If it's not that then it's D
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