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.
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Question: Question: Paper suitable for recycling is often used to produce? Answer: cellulose nanofibers.

Answer: paper is recyclable


Question: Question: If someone wants to see if breath is moist, they can? Answer: breathe on a tissue.

Answer: breath contains water vapor


Question: Question: What happens when animals in hot environments are active? Answer: They become thirsty more easily.

Answer:
as the activity of an animal increases , the amount of water in an animal 's body in that environment will decrease