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

Q: Lying with their mouths open, a behavior called gaping, probably serves the function of cooling down for crocodiles.

A: Lying with their mouths open, a behavior called gaping, probably serves what function for crocodiles?
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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: Metallic bonds gives a coil of copper wire the ability to conduct electricity well.

A:
What gives a coil of copper wire the ability to conduct electricity well?
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