Most songs in the 1920s were foxtrot songs

The system of animation in which a figure is drawn on paper, then a portion of its body is cut away and redrawn on a sheet of paper below the figure's remaining portion was commonly known as:

A. the slash system. B. the peg system. C. cel animation. D. pixilation.

Bjork's album Biophilia was released

a. on vinyl only b. in person only c. as a series of iPad apps d. as an email