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

[Q]: Stirring, surface area, and temperature affect the rate at solute dissolves what occurs.
[A]: Stirring, surface area, and temperature affect the rate at which what occurs?

[Q]: During the first year after birth, a baby called a(n) infant.
[A]: During the first year after birth, what is a baby called?

[Q]: Age causes reduction of elasticity in all organs.
[A]:
What causes reduction of elasticity in all organs?