question: What sentence would provide a factual answer to this question: "Aerial maps represent what feature using dark green?"

answer: a dense forest environment is often dark in color

question: What sentence would provide a factual answer to this question: "Stepping in a lake causes"

answer: dropping an object into water causes vibrations in the water

question: What sentence would provide a factual answer to this question: "If you need something to mix kool-aid, what would you avoid?"

answer:
the ocean contains large amounts of salt water