Answer:
The correct answer is -
heritage
country of origin
social customs
language
Step-by-step explanation:
An ethnic group set of population or the group of people who share attributes that distinguish them from other groups. These characteristics or attributes could be traditions or heritage, ancestry, language, history, culture or social customs, nation, religion, and many more.
Physical features are based on the environmental conditions and genetics of an individual and the number of family members is normally is a personal choice in any family