question: What sentence would provide a factual answer to this question: "Sunlight is a source of light from what?"

answer: when the season changes , the amount of daylight will change

question: What sentence would provide a factual answer to this question: "Cutting down a tree"

answer: if a tree is cut down then that tree will die

question: What sentence would provide a factual answer to this question: "Which was happens most near canyons"

answer:
most canyons are formed by flowing rivers through erosion over long periods of time