It is common to wear black in the U. S.A, when one is in mourning, while in some locations in India people wear white when they are in mourning. This is an example of:

a. chronemics.
b. chromatics.
c. proxemics.
d. haptics.
e. Preference of deceased

C)

Explanation:

Proxemics in an example of this kind of situation because it is considering use of someone's space and in this case one is in the United States and other place is in India. People are using their space in two different ways and that is a example of social interaction, communication and behavior of one group of people.

Proxemics is belonging to the nonverbal communication group which is also including vocalics, chronemics, haptics and more.