question: What sentence would provide a factual answer to this question: "A guy is trying to choose a spot to build his house. He chooses a place that will cause the least environmental change in an area, so he builds in"

answer: humans building homes in an environment causes that environment to change

question: What sentence would provide a factual answer to this question: "Which activity involves exerting force on an object with a foot?"

answer: if an object is kicked then force is exerted on that object

question: What sentence would provide a factual answer to this question: "A skunk produces a bad what?"

answer:
a skunk produces a bad odor