question: What sentence would provide a factual answer to this question: "if a person travels on foot from home to school, which of these is given off?"

answer: moving changes stored energy into motion and heat

question: What sentence would provide a factual answer to this question: "whether hot or cold blooded, to survive all animals are required to"

answer: an animal usually requires a warm body temperature for survival

question: What sentence would provide a factual answer to this question: "the availability of soil nutrients in the food chain can be explained by which of these?"

answer:
if some nutrients are in the soil then those nutrients are in the food chain