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: All birds have backbones. 
Question: Which animal has a backbone?

A: bird.
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Q: Fact: The direction the earth is tilted while it orbits the sun is what causes climate to change. 
Question: What determines the climate to change?

A: The way the earth is tilted.
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Q: Fact: most crags are formed by melting glaciers. 
Question: What are most crags formed by?

A:
melting glaciers.
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