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.

Example Input: Question: What substances dissociate into ions when dissolved in water? Answer: ionic
Example Output: Ionic substances dissociate into ions when they dissolve in water, but most molecular substances do not.

Example Input: Question: Mixtures of materials called alloys contain at least one of what type of material? Answer: metal
Example Output: Alloys are mixtures of materials, at least one of which is a metal.

Example Input: Question: What evolutionary process may affect the distribution of a polygenic trait? Answer: natural selection
Example Output:
Natural Selection for a Polygenic Trait. Natural selection may affect the distribution of a polygenic trait. These graphs show three ways this can happen.

