Which is not an actor's union?

The operation of conflicting visual cues and the elemental effects of colors and shapes on the faculties of the human retina is a style known as

A. abstraction B. neoclassicism C. op art D. pop art

What is a "scherzo"? a. A lyrical movement that attempts to imitate the vocal style of Italian arias. b. A slow triple meter dance with an accent on the second beat of eachmeasure

c. A slow movement written with a lilting rhythm in compound meter thatcharacteristically features parallel thirds gliding in conjunct motion. d. An exuberant triple meter dance that frequently replaces the more statelyminuet in symphonies and chamber music of the Classical period.