question: What sentence would provide a factual answer to this question: "Snowfall takes place during the winter in what area?"

answer: snow falls during the winter in the arctic environment


question: What sentence would provide a factual answer to this question: "Rocks collide with each other when moved by"

answer: contact between rocks over long periods of time causes rocks to smooth


question: What sentence would provide a factual answer to this question: "What impact does humans changing animals habits have?"

answer:
humans changing animal habitats usually causes harm to those animals