What does the above photograph commemorate and document

this shot is an example of a movie still, or screenshot. movie stills are done by a photographer while the movie is being filmed with cameras. the stills are used for advertising in posters, websites, newspapers, and magazines.

changeable lenses of different focal lengths allow light to enter the camera, which then forms the image on light-sensitive film" is the one among the following statements about working principle behind a basic still camera is true.

melody. a series of single tones which add up to a recognizable whole is called a what kind of layers of sound are heard melody or harmony. how many layers