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.

Question: What is a solid particle that is indestructible? Answer: atom
Atoms are solid particles that are indestructible.

Question: Many transition metals and their compounds are used as what? Answer: catalysts
Many transition metals and their compounds are used as catalysts. Given MnO 2, FeCl3, Pt, and Ni, which would you select for each purpose and why?.

Question: What is the process by which organisms break down chemicals to make food energy? Answer: chemosynthesis
In chemosynthesis, organisms break down chemicals to make food energy.