Beans for farts and cola for burps and could kill ye
They are all deadly.
the Germans first used chlorine gas against French Colonial troops with deadly results.
The aircraft carrier was a new invention in World War I. The use of deadly gases was also a new invention in World War I.
Plasma, Nitrogen, and other deadly gases
You can prevent the death of humans from the deadly gases by wearing masks and deserting your area of bombage!
carbon monoxide
Deadly
The two deadly gases present in Earth's atmosphere four billion years ago were methane and ammonia. These gases were toxic to early organisms and would have made the atmosphere hostile to life as we know it today.
Chlorine gas and mustard gas were two poisonous gases commonly used during World War I. Chlorine gas caused choking and respiratory issues, while mustard gas caused severe blistering of the skin and mucous membranes. Both gases were devastating weapons that caused widespread casualties and long-lasting health effects.
None, nerve gases weren't used in WW1.
tanks, and gases
That would be Venus.