question: What sentence would provide a factual answer to this question: "Which of the following relationships is true?"

answer: if one mineral can scratch another mineral then that other mineral is softer than that one mineral

question: What sentence would provide a factual answer to this question: "What do some animals do to adjust to hot temperatures?"

answer: sweat is used for adjusting to hot temperatures by some animals

question: What sentence would provide a factual answer to this question: "If something is able to grow from a kernel and insects assist in reproduction, then it is probably a"

answer:
a flower produces pollen and seeds