Poison gas was first used by the Germans at Second Battle of Ypres during the First World War.
Smog.
Fog ===> ضباب = Dabaab ( "aa" is pronounced like in "car" (long) ) Smoke ===> دخان = Dokhaan ( "aa" is pronounced like in "car" (long) ) Shadow ===> ظل mist = رطب
Polluted The coal smoke mixed with the natural fog to make a horrible smog that was only cleared by the constant rains
Virtually never. Dense fog is never the cause of sinking. If the ship sinks in dense fog, it's always more the result of something in the water that the ship struck in the fog.
How Stuff Works. "How Biological and Chemical Warfare Works." 2002. <http://www.howstuffworks.com/Biochem-war.htm>(10 January 2003). Roman Legions regularly used burning sulphur (SO2, SO3, H2S, H2SO4(in rain/fog) to at least irritate, incapacitate, or at best, kill enemies in immobile situations; fortified towns, settlements against geographic barriers; islands, cliffs, bodies of water, etc. Opinions differ as to whether the Legions developed poison gas themselves, or if their own survivors/allies reported how to use it after hard experience. Similarly, opinions differ about the logistics and practicality of raw sulphur transport, and the (un)liklihood of a somewhat bulky(and nasty)materiel being cheerfully carried by a notoriously lightly-packed Legionnaire. It is possible that free, native, naturally-occurring sulphur deposits were scouted, as would have been other staples, like water, wood, game, etc., and if present, utilized, from a point upwind any immovable objective.
Smoke is carbon particles. Fog is water vapor. Smoke forms soot. Fog forms dew. Smoke is dry. Fog is wet.
when fog and smoke combined it forms smog
Smog is a combination of smoke and fog. It begins with the letter s.
smoke / fog = sm-og = smog
fog is made up of water and smoke is a irratant or gas.
Smoke and fog together generally form smog.
The word smog is a combination of "smoke" and "fog." It was first used in the early 20th century to describe the atmospheric pollution caused by a mixture of smoke and fog in industrial areas. The term was first coined in London, but the phenomenon was observed in other industrial cities as well.
The word "smog" is a portmanteau of smoke and fog.
smog
Smog.
The salt water helps force the poison fog out of their bodies and the medicine that Haymitch sent helps heal their scabs from the poison.
smoke and fog