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: Gene flow occurs when individuals migrate. 
Question: Migration increases what?

A: gene flow.
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Q: Fact: Something studied by Michael Faraday can cause objects to repel each other. 
Question: What can cause objects to repel each other?

A: Something studied by Michael Faraday.
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Q: Fact: Mountains are formed by movement of the tectonic plates. 
Question: Mountains are formed by the what of tectonic plates?

A:
movement.
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