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

Line graphs are especially useful for showing changes over time.
Line graphs are especially useful for showing changes over what?

Age causes reduction of elasticity in all organs.
What causes reduction of elasticity in all organs?

Goosebumps is the layman's term for mammals raising their hair with tiny muscles in the skin, something that is automatic in humans sensing cold.
What is the layman's term for mammals raising their hair with tiny muscles in the skin, something that is automatic in humans sensing cold?