Most autotrophs use water as the reducing agent, but some can use other hydrogen compounds such as hydrogen sulfide. Phototrophs (green plants and algae), a type of autotroph, convert electromagnetic energy from sunlight into chemical energy in the form of reduced carbon.
Athens is a city in and the county seat of Athens County, Ohio, United States. It is located along the Hocking River in the southeastern part of Ohio. A historic college town, Athens is home to Ohio University (26,000+ students) and is the principal city of the Athens, Ohio Micropolitan Statistical Area. The official population of Athens in the 2010 U.S. Census was 23,832.
Explore our Historic River Town. The Town of Athens is located at the eastern end of Greene County, and was established on February 25th, 1815. Portions of the Towns of Catskill and Coxsackie were used to form the Town of Athens. The town has since developed a rich heritage with diverse architecture spanning over three centuries.