question: What sentence would provide a factual answer to this question: "Light produced by deep sea animals is used for?"

answer: producing light is used for attracting prey by some deep sea animals

question: What sentence would provide a factual answer to this question: "if a person is unable to stand cold weather, which of these should be avoided?"

answer: the arctic environment is cold in temperature from being at a northern lattitude below 0 degrees celsius during most of the year

question: What sentence would provide a factual answer to this question: "If something breathes, it"

answer:
all living things eliminate waste