The artistic device of using extreme of using extreme light and dark to imply depth and volume in a painting or drawing

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

Behaviorists focus on behaviors that.. a are observable b are caused by unconscious desires and conflicts c people become consciously aware of d can be categorized into a theoretical system

What is one popular pop artist or group (from today or from the past)? why does this person/group's music fit into the pop genre? why do you think the person/group was successful with their music?