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.
I believe Sarah is trying to increase her visibility.
hope this helps!
One of the reasons is corruption: Nigeria is unfortunately very corrupt. One estimate for example is that Nigeria lost 400 billion dollars to corruption during the time of being an independent state!