question: What sentence would provide a factual answer to this question: "To calculate distance divided by time you would need a"

answer: speed is a measure of distance travelled divided by time

question: What sentence would provide a factual answer to this question: "Worms die off during a heat wave. What affect does this have on the local fauna?"

answer: loss of resources has a negative impact on the organisms in an area

question: What sentence would provide a factual answer to this question: "Which is the best thing to do for a neighborhood?"

answer:
planting native plants has a positive impact on an ecosystem