The sensor: The most obvious difference between film and digital is the sensor used to take the photo. With film cameras a film sensitive to light is placed behind the lens. When a photo is taken the shutter opens for a predetermined period of time and light hits the film. The result is a photo "printed" on the film.
Answer:A state 's national interests are its primary goals and ambitions (economic, military, or cultural). Foreign policies are implemented to ensure that these national interests are met.
