Which is traded in a currency exchange market?

Derek is working on a thesis on the changes in social behavior in the context of finding partners. an important part of his study concerns the various practices followed by males and females over the course of generations and how they have gradually transformed into our current social norms. derek can be called a(n) psychologist. (tb75)\

If we can't separate our civilized self from our savage self which will take over and why

Describe how a person can have both high and low self-esteem.