Final answer:
The type of fire extinguisher that meets these requirements is called a dry chemical fire extinguisher. It contains a dry chemical powder pressurized with argon gas that can effectively cool and smother fires in Class A and B fuels, as well as be used on Class C fires.
Step-by-step explanation:
The type of fire extinguisher that is pressurized with argon gas, cools and smothers fires in Class A and B fuels, and can also be used in Class C fires is called a dry chemical fire extinguisher.
They are suitable for Class A fires, which involve ordinary combustible materials like wood, paper, and rubber.
They can also be used on Class B fires, which are fires involving flammable liquids like gasoline and oil.
Additionally, dry chemical fire extinguishers are safe to use on Class C fires, which involve electrical equipment.