A giraffe's tongue is over 18 inches (46 cm) long, and the roof of the mouth is grooved to easily strip leaves off branches. Since giraffes are extremely efficient at processing nutrients and liquids from food, they can survive without water for long periods of time.
The Authoritarian Theory describes the situation where states view the mass media as an instrument at all ties. The role of the media is to mainly educate citizens, and acts as a propaganda tool for the ruling party.
Media system dependency theory (MSD), or simply media dependency, was developed by Sandra Ball-Rokeach and Melvin Defleur in 1976. The theory is grounded in classical sociological literature positing that media and their audiences should be studied in the context of larger social systems.edia system dependency theory (MSD), or simply media dependency, was developed by Sandra Ball-Rokeach and Melvin Defleur in 1976. The theory is grounded in classical sociological literature positing that media and their audiences should be studied in the context of larger social systems.