Write a correct answer to the given question based on its associated fact. Make sure that your answer is contained in the associated fact. Don't be creative and introduce any new word that is not mentioned in the associated fact! Remember that the associated fact has been rearranged to form the question. So, the correct answer words must lie within the associated fact. The correct answer can be a word, phrase, or even a sentence.

Q: Fact: The evaporation of sweat occurs when a body is hot. 
Question: The evaporation of sweat occurs when what thing is hot?

A: body.
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Q: Fact: A thing arranged in clusters mostly contain instructions for a single protein. 
Question: How often does a thing arranged in clusters contain instructions for a single protein?

A: mostly.
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Q: Fact: microscope is used to see bioaerosols by biologists by making them appear bigger. 
Question: what do biologists use a microscope to see by making them appear bigger?

A:
bioaerosols.
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