Some micro organism and archaea use hydrogen sulfide rather than h2o because the electron donor in chemosynthesis, a system similar to photosynthesis that creates sugars and uses oxygen because the electron acceptor. Sulfur-based chemosynthesis could possibly be simplifiedly when compared with photosynthesis: Aspect papers are submitted on personal invitation or https://kameronnruvw.blog-kids.com/26889188/zinc-sulfide-for-dummies