An extremely poisonous gas produced by any combustion process that does not have enough air.

An extremely poisonous gas produced by any combustion process that does not have enough air.

An extremely poisonous gas produced by any combustion process that does not have enough air.




A. Carbon Monoxide
B. Ozone
C. Methane
D. Carbon Dioxide
E. Chlorofluorocarbons




Answer: A


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