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: Seed -> young plant -> adult plant sequence shows the order of stages in a plant’s life cycle.

Answer: Which sequence shows the order of stages in a plant’s life cycle?


Question: The ability of matter to combine chemically with other substances is known as reactivity.

Answer: The ability of matter to combine chemically with other substances is known as?


Question: Uniform intermolecular forces do crystals have relatively sharp and well-defined melting points.

Answer:
Why do crystals have relatively sharp and well-defined melting points?