question: What sentence would provide a factual answer to this question: "Some animals change their appearance completely during a stage of the life cycle known as"

answer: metamorphosis is a stage in the life cycle process of some animals

question: What sentence would provide a factual answer to this question: "What's a good way to heat up inside after ice skating on a frozen lake?"

answer: natural gas is a source of heat by burning

question: What sentence would provide a factual answer to this question: "A new what occurs once every 3 months?"

answer:
a new season occurs once per three months