Looking at one of the Artworks above by Bridget Riley, Frank Stella, and Julio Le Parc, how do they demonstrate the ideas of OP Art?

What is the main element that sets western art criticism apart apart from that of the rest of the world

Escribe un adjetivo a cada sustantivomelodiosas - claro - mole. stos - oscura - espaciosos - bulliciosas - tranquilo - acogedora - día - noche - músicas - ruidos - casa - pueblo - pisos - ciudades

Describe what the animation frame above is showing. what cels might have been created for this frame? list the individual cels