question: What sentence would provide a factual answer to this question: "migration is when animals travel from the north to Texas during what segment of time?"

answer: some birds live in forests

question: What sentence would provide a factual answer to this question: "How long would it take for you to notice the sun's movement?"

answer: the Earth rotating on its axis causes the sun to appear to move across the sky during the day

question: What sentence would provide a factual answer to this question: "Which type of energy is the most environmentally friendly?"

answer:
solar energy is a renewable resource