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

[Q]: Natural resource type of resource is limited in supply and cannot be replaced except over millions of years.
[A]: What type of resource is limited in supply and cannot be replaced except over millions of years?


[Q]: Muscle groups are controlled by the motor cortex .
[A]: Muscle groups are controlled by what mechanism?


[Q]: Arterial blood pressure is highest when the heart contracts during ventricular systole.
[A]:
Which blood pressure is highest when the heart contracts during ventricular systole?