Answer :
Final answer:
A Class A fire involves flammable solids like wood, paper, or textiles, and the main extinguishing agent is water. For fires involving organic liquids, foaming agents are used to extinguish the flames.
Explanation:
A Class A fire is one that involves the burning of flammable solids, such as wood, paper, or textiles. The preferred extinguishing agent this type of fire is water, which cools the fire and removes the heat needed for combustion. For certain types of fires, such as involving organic liquids like oil or grease, a foaming agent is used. This special fluorinated solution can spread across the burning surface to effectively extinguish the blaze. These foams have become a universal solution for combating large-scale fires of these organic substances.
