Answer: C) people define themselves by their group affiliations.
Explanation: Social identity can be simply defined as the perception of an individual on who they are based on the membership they belong to.
Social identity theory is a theory about (in group) who we are and (out group) who they are, the in group will always look for issues to use against the out groups, there by tarnishing the image of the out groups and enhancing theirs.
So option (C); people define themselves by their group affiliations best illustrates social identity theory.
Answer: Cohort Analysis report
Explanation:
Cohort is defined as the collection of people who persist related or common characteristic. Cohort analysis report is the record that is made from the cohort behavior over certain period of time.
Analysis and comparison of different behavior is done in this report to determine the state of performance i.e.-high performance,low performance or moderate performance. Analytic dimensions are used in this record making such as Acquisition date etc.
A. freshwater fishing.
my reasoning:
Inside the Middle East, most countries have large supplies of oil, (which helps make the countries rich as they are today because of oil demands), which takes out the options C & D. The Middle East, is located within the Sahara desert, and so can contribute to desert research (B) as well.
So A, is your most logical choice.
hope this helps
