Let's think step by step! Trees have woody stems covered with what?\nOptions:\n- (A) heat energy\n- (B) thin skin\n- (C) protective skin\n- (D) skinny cells\n- (E) white skin\n- (F) Chlorophyll\n- (G) Organic compounds\n- (H) looseness
The thinking starts now:
User
Trees have woody stems covered with bark. On the outside is a protective skin of bark made mainly of cork. Trees have woody stems covered with protective skin. The final answer: (C).
Assistant