An appositive is a noun or noun phrase that renames another noun right beside it, it can be short or long combination of words here's an example: The insect, a cockroach, is crawling across the kitchen table. i hope this helps you :)
Answer:
B- Type B
Explanation:
Foam Fire Extinguisher Foam fire extinguishers
Foam Fire Extinguisher
Foam fire extinguishers are suitable for class A and the flammable liquids of class B, though not effective for gaseous fires. They spray a type of foam that expands when it hits the air and blankets the fire.