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.
Albany is a village in Athens County, Ohio, United States. The population was 808 at the 2000 census. Albany is located at 39Â°13â²44â³N 82Â°12â²1â³W / 39.22889Â°N 82.20028Â°W / 39.22889; -82.20028 (39.228787, -82.200363). According to the United States Census Bureau, the village has a total area of 1.2 square miles (3.2 kmÂ²), of which, 1.2 square miles (3.2 kmÂ²) of it is land and 0.80% is water.