____ system grouping of people and behavior has been subjected to research.

A. Closed

B. Social

C. Conceptual

D. Manufactured

Answer: Option B

Solution(By Examveda Team)

Social system grouping of people and behavior has been subjected to research. A social group is a collection of people who interact with each other and share similar characteristics and a sense of unity. A social category is a collection of people who do not interact but who share similar characteristics.