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

Q: Hybridization model model helps explain molecules with double or triple bonds.

A: Which model helps explain molecules with double or triple bonds?
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Q: A wall of rocks or concrete a called a groin.

A: What is a wall of rocks or concrete called?
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Q: Fuel is algae easier to covert into that corn is currently used for.

A:
What is algae easier to covert into that corn is currently used for?
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