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

Q: Low energy causes waves to bring sand up onto the beach during summers.

A: What causes waves to bring sand up onto the beach during summers?
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Q: Plankton is the most common life form in the ocean.

A: What is the most common life form in the ocean?
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Q: Along stream beds are liverworts most often found.

A:
Where are liverworts most often found?
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