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

[Q]: Socket secures teeth in the mouth.
[A]: What secures teeth in the mouth?


[Q]: Negative growth rate results when birth rates fall even lower than death rates.
[A]: What results when birth rates fall even lower than death rates?


[Q]: Roots part of a sunflower plant absorbs water and nutrients.
[A]:
Which part of a sunflower plant absorbs water and nutrients?