question: What sentence would provide a factual answer to this question: "A dark cave fulfills what need for a wild, roaming grizzly bear?"

answer: an animal requires shelter

question: What sentence would provide a factual answer to this question: "If someone is experiencing frequent falls"

answer: as the smoothness of something increases , the friction of that something will decrease when its surface moves against another surface

question: What sentence would provide a factual answer to this question: "If a large glacier is moving passed a beach, it can deposit this because it is made of ice"

answer:
a glacier is made of ice