Answer:
The answer is D. Cohort effect.
Explanation:
A cohort is a group of people that share a characteristic, in social research, such characteristic tends to be the birth year or generational designation; in these cases, cohorts might be strongly influenced by the historical and cultural environment of their generation, and this might have an effect on the results of the research project. Cross-sectional method is subject to these effects because they only apply the research techniques in one specific point in time.
It's probably C. The parents passed on genes for longer legs.
B to conquer and control lands
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.
