Answer:
b) sensory adaptation.
Explanation:
Sensory adaptation: It refers to the process that signifies the change in the sensory receptor's sensitivity occurs concerning the stimulus relation. All senses that are present tend to experience sensory adaptation. The sensory adaptation reduces the tendency of a person's awareness towards a constant stimulus.
In the question above, the change in Carlos's reaction to the volume of the music illustrates the phenomenon of sensory adaptation.
The answer is an impervious response. An impervious response is one of the seven types of disconfirming messages. We can simply put this as "No response at all" because an impervious message fails to recognize the other person's communication attempt either via verbal or nonverbal way; failure to respond in all forms and channel.
prevent african americans from gaining equality. they enforced racial segregation