The answer is, "C", "Heat".
I think B is the correct answer. Answer choices C & D are about dolphins, but they do not have anything related to negative effects surrounding human and dolphin interaction. A, on the other hand, may seem like a good choice, but then again, the answer is too vague.
A: Homeostasis
Reason: cell membrane has nothing to do with question and C and D are terms for sugars
Answer:
C. It uses a renewable resources
Amount of food in stomach when drinking, body weight, rate of consumption, strength of alcohol.
