question: What sentence would provide a factual answer to this question: "What uses eyes to see by sensing light?"

answer: eyes are used for seeing by animals by sensing light

question: What sentence would provide a factual answer to this question: "Ice wedging is caused by cycles of freezing and thawing of what?"

answer: cycles of freezing and thawing water cause ice wedging

question: What sentence would provide a factual answer to this question: "Which of these allows humans to walk around?"

answer:
an organism breaks down sugar to release energy