question: What sentence would provide a factual answer to this question: "I can use a stopwatch to track"

answer: a stopwatch is used to measure time

question: What sentence would provide a factual answer to this question: "A place becomes chilly and then animals in that space"

answer: as temperature in an environment decreases , the amount of water an animal in that environment will lose will decrease

question: What sentence would provide a factual answer to this question: "Birds feed their babies by"

answer:
birds sometimes eat berries