question: What sentence would provide a factual answer to this question: "What happens when animals in hot environments are active?"

answer: as the activity of an animal increases , the amount of water in an animal 's body in that environment will decrease

question: What sentence would provide a factual answer to this question: "Eagles survive by dining on"

answer: eagles eat fish

question: What sentence would provide a factual answer to this question: "which of these has the most similar component as the earth itself?"

answer:
Earth is made of rock