Answer: carbon dioxide
Explanation:
The carbon dioxide is a gas which can prevent the spread of fire and extinguishes it. It is a gas which is used in an active fire extinguisher device which is used for extinguishing fire in the emergency cases. The carbon dioxide gas restricts the combustion of the fuel by the oxygen. It is filled in the fire extinguishing cylinders with force and compression so that when it released it exert some pressure over the burning site to stop the fire.
