I think it’s called boundary
In the space provided, the answer that will complete the statement is social psychology. Social psychology focuses and mainly deals with the people's interactions and moods on their every daily lives, specifically in social interactions.
4 basic types of what? Please retype your question
Answer: The 2020 Census counts every person living in the United States and five U.S. territories. In mid-March, homes across the country began receiving invitations to complete the 2020 Census.
Explanation: The census is important to calculate population and the economy.