Answer:
Ducts are pipes that channel a substance.
Air ducts are tubes in a house that connects to other parts of a house. They are basically pipes.
Explanation:
The air ducts in a house are essentially tubes that connect the HVAC system with air vents throughout the house
I think B. rhyming of a poem sorry if i'm wrong
Answer: 18 months
I took the test
the last line: "Oh, it's very comfortable"