question: What sentence would provide a factual answer to this question: "High areas can be visually represented by"

answer: a valley is formed by a river flowing

question: What sentence would provide a factual answer to this question: "If I wanted to add friction to a subject to get it to slow down I could"

answer: friction causes the speed of an object to decrease

question: What sentence would provide a factual answer to this question: "A person can know if they need a down vest by checking the"

answer:
a thermometer is used to measure temperature