question: What sentence would provide a factual answer to this question: "in order for the body to absorb nutrients, where does the food typically enter from?"

answer: digestion is when an organism takes in nutrients from food into itself by eating

question: What sentence would provide a factual answer to this question: "Lisa was hiking in a rocky area and in a rock, she saw what looked like footprints made by a bird. But weirdly, they were in a rock. Where did they come from?"

answer: An example of a fossil is a footprint in a rock

question: What sentence would provide a factual answer to this question: "What does mining change?"

answer:
mining changes an ecosystem