. market place where buyers and sellers exchange goods and services ... But, this is just one kind of currency. In fact ... Select the items that describe voluntary exchanges. ... When people buy something, they value it than it costs them. ... liability legal obligation to repay a debt
I believe the answer is: Executive stage
During the executive stage, people generally become more discipline in separating the things that they should or should not do in order to achieve their life goals. \
This stage is developed because most people in this age group tend to adopt broader perspective regarding how every little actions that they do could influence the outcome of their life.
Answer:
personal contact is when you meet face to face and online contact is meering through an electronic device.