What is the drawing technique on using dust to create degrees of shading or solidity instead of using lines

Which of the following is not typical of medieval music? monophonic or polyphonic often not written down religious in nature mainly instrumental

Criminology combines the theories and insights of a number of different disciplines as well as adding its own insight about crime and criminals. do you think this interdisciplinary approach is positive or negative for understanding crime? what benefits or disadvantages might it have for the field? what other discipline do you think has the most to offer for the understanding of crime and criminals?

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.