TOEFL Listening: TPO-TOEFL听力TPO - O2T0QJ9983POV1E5R$

How might fertilizer runoff affect CoT starfish population? A. It might increases the food supply for young CoT starfish. B. It might wash away nutrients that are beneficial for CoT starfish. C. It might destroy CoT starfish habitats. D. It might make phytoplankton dangerous for CoT starfish to eat.