question: What sentence would provide a factual answer to this question: "Why is acid rain unhealthy?"

answer: acid rain has a negative impact on water quality

question: What sentence would provide a factual answer to this question: "When the amount of food goes down, the amount of conflict between the organisms searching for it will"

answer: as the population of prey decreases , competition between predators will increase

question: What sentence would provide a factual answer to this question: "The leaves of a plant benefit from?"

answer:
chlorophyll is used for absorbing light energy by plants