David is a college student who knows the different linguistic habits appropriate to his mother andstepfather’s home, his father’s home, his university residence hall, his anthropology class, his jobat an elegant restaurant, and his religious tradition. The term used in the text to describe his complex linguistic knowledge is.

a. multilingualismb.
b, pidgin.
c. heteroglossia.
d. linguistic relativity.

The term used in the text to describe his complex linguistic knowledge is c. heteroglossia.

Explanation:

The term heteroglossia comes from the Greek words "hetero", different, and "glossa", language. It refers to the existence of different varieties inside the same language. Notice that the passage does not claim that David knows different languages. He communicates in all those situations, with all those people, using the same language, only different varieties of it. The way he talks at the fancy restaurant is certainly not the same way he talks when speaking to his parents.

permafrost layer, it exists beneath a layer of soil, rock or sediment.

answer; ha,ha,ha, corn on the cop;