Trees have woody stems covered with what?
heat energy thin skin protective skin skinny cells white skin Chlorophyll Organic compounds looseness
A B C D E F G H
On the outside is a protective skin of bark made mainly of cork.
Trees have woody stems covered with protective skin.
Trees have woody stems covered with what? (A) heat energy (B) thin skin (C) protective skin (D) skinny cells (E) white skin (F) Chlorophyll (G) Organic compounds (H) looseness