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: The newest, outer layers of secondary xylem are called sapwood.

Answer: What are the newest, outer layers of secondary xylem called?


Question: Compound does the precise pattern of a crystal depend on.

Answer: What does the precise pattern of a crystal depend on?


Question: Transports particles is flowing water and blowing wind similar.

Answer:
How is flowing water and blowing wind similar?