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.
Location & Service Areas. The Gordon K. Bush Ohio University Airport (KUNI) serves the general aviation needs of Athens County and portions of several adjoining counties. The Airport is located off U.S. Highway 50 in Lee Township, in the southwest corner of Athens County. Primary surface access is from County Road 71 (Columbia Road).