question: What sentence would provide a factual answer to this question: "An example of a change in the Earth is when a volcano, resembling a tall mountain, violently explodes and"

answer: An example of a change in the Earth is an ocean becoming a wooded area

question: What sentence would provide a factual answer to this question: "An electric car causes"

answer: an electric car uses less gasoline than a regular car

question: What sentence would provide a factual answer to this question: "what does lighting it cause a candle?"

answer:
lighting a candle causes that candle to burn