What can keep a home warm?
cellulose material an electric stove Movement of an air mass plastic wrap water bubble tape electricity Animal fur
A B C D E F G H
Building insulation is a cellulose material made of ground computer paper and cardboard boxes.
Cellulose material can be used to keep a home warm.
What can keep a home warm? (A) cellulose material (B) an electric stove (C) Movement of an air mass (D) plastic wrap (E) water (F) bubble tape (G) electricity (H) Animal fur