question: What sentence would provide a factual answer to this question: "If a rub two rocks together after awhile they will start to"

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

question: What sentence would provide a factual answer to this question: "if a driver drove by a corn field and tossed out his lit cigarette, what could happen?"

answer: fire destroys plants in an environment

question: What sentence would provide a factual answer to this question: "Pressure is quite high in spaces such as"

answer:
as depth increases , pressure will increase