question: What sentence would provide a factual answer to this question: "Which of the following areas would most likely contain a sandbar?"

answer: a sandbar is formed by water moving sediment downstream

question: What sentence would provide a factual answer to this question: "if you increase the mass of a celestial body, it will"

answer: as mass of a celestial body increases , the force of gravity on that planet will increase

question: What sentence would provide a factual answer to this question: "A pulley is used to lift a flag on a flagpole by"

answer:
a pulley is used for lifting objects