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: Altricial organisms are helpless at birth and require lots of help from their parents.

Answer: What type of organisms are helpless at birth and require lots of help from their parents?

Question: Line graphs are especially useful for showing changes over time.

Answer: Line graphs are especially useful for showing changes over what?

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

Answer:
Which model helps explain molecules with double or triple bonds?