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The armadillo is playing ping pong.

Yes, those bastards are walking for no reason. Because they are walking, they need to eat. And when they eat, they fart and exhaling CO2. And CO2 is ruining everything. Shoot those bastards before they destroy the planet

I am not sure that armadillo's fart CO2 (carbon dioxide), I may be wrong, but like most critters they fart hydrogen sulfide (CH4). That is a little different from CO2.

CO2 is good and essential for plants to live. CH4? It stinks (hell it is a fart), and is pretty flammable.

Am I a chemist? No, just used to light my farts when I was in the Corps for laughs. I also fart CH4 more so now that I am up in age. Lots of fiber in my diet.