The answer is D. You really have to think about this one :)) I hope you get it right
Answer:
una propiedad que varía y la otra que permanece constante cuando la onda pasa de un medio a otro. Las dos propiedades son: i) Longitud de onda ii) Frecuencia
Explanation:
Hope it helps :)
In the movie Psycho by Albert Hitchcock, the main notion is that the protagonist, Norman Bates, has absorbed his mother's personality into his own after a psychotic episode during which he killed his mother, but was unable to admit it in front of himself.
