Gas is simply short for the word gasoline. In this case the word gas is not intended to describe the physical state
A gas that is not man-made or refined.
The missing word is.... gas.
sublimation
air
Germany introduced mustard gas, and they were also the first ones to use it.
Oxygen
The Germans
The teacher introduced a new topic in class today that sparked a lot of interesting discussions among the students.
The particles are spread out, free to move. A gas will fill the space it is introduced into.
The particles are spread out, free to move. A gas will fill the space it is introduced into.
adnan
ardeshir cursetzee
Gas masks were gradually developed in the 1800s and the exact year you need is in the link below.
The likely word is "introduced."
mustard gas was used in world war 1 as weapon.it was introduced by Germans in 1917.
The word 'introduced' is not a noun. The word 'introduced' is the past participle, past tense of the verb to introduce. The past participle of the verb also functions as an adjective.The abstract noun forms of the verb to introduce are introduction and the gerund, introducing.