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

[Q]: You see a faster reaction rate when the concentration of reactants is higher.
[A]: What kind of reaction do you see when the concentration of reactants is higher?

[Q]: Springs or geysers do we call heated groundwater that erupts from the ground under pressure.
[A]: What do we call heated groundwater that erupts from the ground under pressure?

[Q]: In atherosclerosis, thickening of an arterial wall due to plaque formation can restrict blood flow through the artery.
[A]:
In atherosclerosis, thickening of an arterial wall due to this can restrict blood flow through the artery?