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

Q: A mushroom is the fruiting body that occurs after two hyphae mate and form a mycelium with sporangia.

A: What is the fruiting body that occurs after two hyphae mate and form a mycelium with sporangia?
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Q: Dendrites from the cell body recieve impulses from other neurons.

A: What do dendrites from the cell body recieve impulses from?
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Q: In a position-time graph, the slope of the line represents the velocity.

A:
In a position-time graph, what does the slope of the line represent?
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