Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.

Input: Consider Input: Question: Alterations that change chromosome structure are known as? Answer: mutations

Output: Chromosomal alterations are mutations that change chromosome structure.

Input: Consider Input: Question: Wave amplitude and wavelength are two important measures of what? Answer: wave size

Output: Wave amplitude and wavelength are two important measures of wave size.

Input: Consider Input: Question: Saturated hydrocarbons get their name because they are saturated with what atoms? Answer: hydrogen
Output: Saturated hydrocarbons have only single bonds between carbon atoms, so the carbon atoms are bonded to as many hydrogen atoms as possible. In other words, they are saturated with hydrogen atoms.