[Secret Agent Man]

yes

why not

or even the evil co2

lord knows that works, it makes you sleepy

[zeugma]

or even the evil co2

CO2 triggers a suffocation response when your CO2 levels in your bloodstream rise. Nitrogen doesn't do that. If you were to walk into a room that was 100% nitrogen, you would be completely unaware that anything was wrong until you woke up facing either satan or Saint Peter.