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.
In 1797 Tioga township was divided, the north township receiving the name of Athens, and the south, the name of Ulster, thus the name Tioga, which for centuries had been given to the confluence of the two rivers, was lost to our county. Athens Township Histories including, Sayre, Athens & S. Waverly Boroughs.