What material is this woman's dress?? (Art History)

Film criticism and film theory are the same thing true or false

In the ninteenth century, why was it more nessesary for art to provide accyrate represemtations of life and objects

Pls! choice of medium allows the artist to a. convey different messages. b.experiment with combining materials to create new media. c.reconnect with old forms of art. d.improve realism in art, particularly with portraits.