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: What type of plate is an island arc found on? Answer: oceanic

Output: An island arc is a line of volcanoes on an oceanic plate. A continental arc is a line of volcanoes on a continental plate.

Input: Consider Input: Question: Large or small numbers are expressed in scientific notation, which use powers of this? Answer: 10

Output: Large or small numbers are expressed in scientific notation, which use powers of 10.

Input: Consider Input: Question: What is formed when an element gains one or more electrons? Answer: anion
Output: When an element gains one or more electrons, an anion is formed. Nonmetals typically become anions when they interact with other chemical species.