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: barometric pressure makes clear weather. 
Question: What causes clear weather?

A: barometric pressure.
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Q: Fact: dogs require nutrients to grow and heal. 
Question: what requires nutrients to grow and heal?

A: dogs.
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Q: Fact: the gravitational pull of the Moon on the world's oceans causes the tides. 
Question: What does gravitational pull of the moon cause?

A:
tides.
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