question: What sentence would provide a factual answer to this question: "Galileo Galilei made improvements to the telescope to make better observations of what?"

answer: Galileo Galilei made improvements to the telescope to make better observations of celestial bodies

question: What sentence would provide a factual answer to this question: "A horse could start trembling when"

answer: cool temperatures cause animals to shiver

question: What sentence would provide a factual answer to this question: "A thing that disperses will"

answer:
a disperser disperses