Final answer:
B) Ethnicity is a collective phenomenon that affects how people see themselves as members of an ethnic group. It is determined by factors such as shared culture, national heritage, language, and religion. Geography plays a significant role in the creation, maintenance, and erosion of ethnic identity.
Step-by-step explanation:
The collective phenomenon that affects how people see themselves as members of an ethnic group, as well as how they are seen by others, is ethnicity.
Ethnicity is a term that describes shared culture, national heritage, language, religion, and more. It plays a significant role in the creation, maintenance, and erosion of ethnic identity. Factors such as geography, language, appearance, and religion contribute to one's ethnic identity.