Trees have woody stems covered with what?
food and shelter smooth ridges looseness protective layer Organic compounds plastic sheet heat energy thin metal
A B C D E F G H
During the stripping, the protective layer of inner bark is removed.
Trees have woody stems covered with a protective layer.
Trees have woody stems covered with what? (A) food and shelter (B) smooth ridges (C) looseness (D) protective layer (E) Organic compounds (F) plastic sheet (G) heat energy (H) thin metal