The statement that is mentioned above is true. It is because the incest taboo is not a practice that a person should do because this is inappropriate and could cause humorous conflicts. The social conflict approach explains this matter because it focuses on the human's way of thinking and how they deal with social problems.
The answer is b. the state's population
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China and North Korea is the answer
Social network analysis is a technique that attempts to "find groups of individuals who cooperate, to find individuals who don't team up yet should, or to find specialists in particular subject areas."
Social network analysis (SNA) is the way toward exploring social structures using systems and chart hypothesis. It describes organized structures as far as nodes (singular on-screen characters, individuals, or things inside the system) and the ties, edges, or connections or collaborations that associate them.
The correct answer is Systematic observation
Systematic observation is a method used to understand how a particular activity or task works. The researcher observes the steps of a process, the tools used, the difficulties that appear, the conversations and results of the work.
Systematic Observation is guided by a defined objective, something you want to know about that activity. The observation is made repeatedly until there is sufficient evidence to state this.
Systematic Observation can be used to do Behavioral Mapping, Task Analysis or Activity Analysis.