Some germs and archaea use hydrogen sulfide in place of water because the electron donor in chemosynthesis, a method just like photosynthesis that makes sugars and makes use of oxygen given that the electron acceptor. Sulfur-dependent chemosynthesis can be simplifiedly in contrast with photosynthesis: Amorphous or "plastic" sulfur is produced https://ciceroo233rbj5.cosmicwiki.com/user