Why are contrast and chiaroscuro an important part of realistic painting

Which clef would be used for the violin? a. treble b. tenor c. bass d. alto what causes sound? a. electric fields b. magnetic fields c. vibrating electrons d. vibrating molecules

Which of the following is an indicator that scallops are done? a. they turn milky white. b. they become transculent. c. the shells open. d. they separate easily into segments.

Lara obtained a copy of this painting of people in a train for her art collection. what art style did the painter use in this painting?