question: What sentence would provide a factual answer to this question: "If weather is stormy there is a greater chance of what?"

answer: if weather is stormy then there is a greater chance of rain

question: What sentence would provide a factual answer to this question: "A person wants to play with a beach ball at the beach so they fill it with"

answer: a beach ball contains gas

question: What sentence would provide a factual answer to this question: "If our earth is anything, it is this"

answer:
the surface of the Earth contains mountains