【題組】48.Why do cacti have thick, waxy skins?(A) To keep bugs from eating the plant.(B) To store water
問題詳情
【題組】48.Why do cacti have thick, waxy skins? (A) To keep bugs from eating the plant. (B) To store water in the skin. (C) To slow evaporation through the skin. (D) To prevent pores from forming.