question: What sentence would provide a factual answer to this question: "What kind of impact does exercise have on a humans health?"

answer: exercise has a positive impact on a human 's health

question: What sentence would provide a factual answer to this question: "If your hand is being burned on a stove"

answer: nerves can be used to feel heat and pressure on the skin

question: What sentence would provide a factual answer to this question: "If someone wants to see the celestial bodies clearly they would use"

answer:
a telescope is used for observing stars