question: What sentence would provide a factual answer to this question: "What is the result of an object reflecting light toward the eye?"

answer: if an object reflects light toward the eye then that object can be seen

question: What sentence would provide a factual answer to this question: "A piece of pizza is placed within a box and becomes this when something is conducted throughout the box into the food:"

answer: thermal conduction is when materials conduct heat through those materials

question: What sentence would provide a factual answer to this question: "A cloud gets fat and heavy and dark. The sky gets darker. The next step to expect is"

answer:
water vapor condensing in clouds causes rain