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4 answers

oxygen O2, nitrogen N2.

2006-08-21 03:53:15 · answer #1 · answered by heidavey 5 · 0 0

CO2 Methane Nitrogen gas...........

2006-08-21 03:56:09 · answer #2 · answered by Anonymous · 0 0

hydrogen
methane
butane
carbon monoxide
carbon dioxide

2006-08-21 03:55:57 · answer #3 · answered by Paul 7 · 0 0

hydrgen (H2), oxygen (O2)

2006-08-22 05:57:08 · answer #4 · answered by Vidhan A 1 · 0 0

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