______(1)_______, cel animation, and live footage of people or ______(2)_______ are usually combined together on the computer using footage in front of a ______(3)_______.a.(1) Pyrotechnics; (2) stunt actors; (3) screenshotb.(1) CGI; (2) miniatures; (3) green screenc.(1) Rotoscoping; (2) animated footage; (3) projectord.(1) Makeup; (2) puppets; (3) composite screen