Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
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Question: Bacteria may divide several times an hour.

Answer: Bacteria may divide several what an hour?


Question: Some materials have negative heats of solution; the dissolution of one of these solutes in water is called?

Answer: Some materials have negative heats of solution; the dissolution of one of these solutes in water is called?


Question: Global winds are the winds that occur in belts that encircle the planet.

Answer:
What are the winds that occur in belts that encircle the planet?