Question: Do you think the right answer to the question "what keeps mammals' metabolic rates high?" is "muscle", given that  food keeps mammals' metabolic rates high?
Answer: No

Question: Do you think the right answer to the question "what are the major produces of ecosystems that make up the land?" is "energy", given that  plants are the major producers of ecosystems that make up the land?
Answer: No

Question: Do you think the right answer to the question "what can harm human sight?" is "an object", given that  vinegar can harm human sight?
Answer: