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

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

[EX Q]: The term elastic potential energy is used to describe potential energy due to an object’s shape.
[EX A]: What term is used to describe potential energy due to an object’s shape?

[EX Q]: The length of the sloped surface of a ramp is referred to as input distance.
[EX A]:
The length of the sloped surface of a ramp is referred to as what?