question: What sentence would provide a factual answer to this question: "Which is true"

answer: an anemometer is used to measure wind speed

question: What sentence would provide a factual answer to this question: "Which of these industries is most likely to effect an ecosystem?"

answer: mining changes an ecosystem

question: What sentence would provide a factual answer to this question: "Butterflies will often times have coloring that at look like eyes on their wings for"

answer:
mimicry is used for avoiding predators by animals by camouflaging as a dangerous animal