I recall kids lighting farts with a cigarette lighter in college. Yes, it can be methane and flammable. But ruminants make methane to digest their hay and grass. I would guess they make more methane than humans.
I recall kids lighting farts with a cigarette lighter in college. Yes, it can be methane and flammable. But ruminants make methane to digest their hay and grass. I would guess they make more methane than humans.