Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Q: Chemical digestion mainly occurs in the small intestine.

A: Where does chemical digestion mainly occur?
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Q: Interconnected pathways through which carbon is recycled through the biotic and abiotic components of biosphere.

A: Interconnected pathways through which carbon is recycled through the biotic and abiotic components of what?
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Q: The best way humans can conserve water is to use less.

A:
What's the best way humans can conserve water?
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