In this task, you are given a question and a corresponding answer. Your task is to generate a fact statement that is useful in answering the given question.

[EX Q]: Question: If a season switches from one to another in a place, the earth has? Answer: moved more.
[EX A]: the Earth revolving around the Sun causes the seasons to change on its axis

[EX Q]: Question: Who is most likely to die of old age? Answer: adults.
[EX A]: adulthood is a stage in the life cycle process

[EX Q]: Question: What primarily drives the hydrologic cycle to produce clouds? Answer: energy from a central star.
[EX A]:
water absorbs solar energy in the water cycle