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: Topographic maps have a horizontal scale to indicate what distances? Answer: horizontal

Output: Topographic maps have a horizontal scale to indicate horizontal distances.

Input: Consider Input: Question: The frequency of a wave is the reciprocal of what other attribute of the wave? Answer: period

Output: The period of a wave and its frequency are reciprocals of each other.

Input: Consider Input: Question: Why are noninfectious diseases not contagious? Answer: non-pathogen caused
Output: Noninfectious diseases are not contagious because they are not caused by pathogens. Instead, they are caused by such factors as lifestyle choices, environmental toxins, or mutations.