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: Electrons in the "outer shell" are also known as what kind of electrons? Answer: valence

Output: Determine the total number of valence (outer shell) electrons. For cations, subtract one electron for each.

Input: Consider Input: Question: What are the light highlands of the moon called? Answer: terrae

Output: The lunar surface has dark basalt maria. The light highlands are called terrae.

Input: Consider Input: Question: Rather than being dead, dry, and brittle, what support structures of the human body consist of living tissues and are supplied with blood and nerves? Answer: bones
Output: Some people think bones are like chalk: dead, dry, and brittle. In reality, bones are very much alive. They consist of living tissues and are supplied with blood and nerves.