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

[Q]: Oil is the most commonly used source of energy in the world.
[A]: What is the most commonly used source of energy in the world?


[Q]: Bacteria may divide several times an hour.
[A]: Bacteria may divide several what an hour?


[Q]: Damages and deaths are directly affected by construction in an earthquake.
[A]:
Damages and deaths are directly affected by what in an earthquake?