The Sandhills region of Nebraska is a paradise for nature lovers. Covering one quarter of the state, it consists of dunes, some reaching 300 feet high, along with grasslands, and shallow lakes. A driving tour through the Sandhills, often described as one of the most scenic in the USA, is a great way to explore the area.
opponent(Noun) An individual or group who is a rival of another. opponent(Noun) One who attempts to stop the progression of. opponent(Noun) One who objects to. opponent(Noun) In team sports, a player of an opposite team.
(June 2013). Opponent-process theory is a psychological and neurological model that accounts for a wide range of behaviors, including color vision. This model was first proposed in 1878 by Ewald Hering, a German physiologist, and later expanded by Richard Solomon, a 20th-century psychologist.