In international trade, an exchange rate is a number that is used to show the value of one currency compared to another.
The concern is whether or not one can develop the capacity to share intimacy with someone else.
The answer to this is letter "B".
Mores determine what is considered moral and ethical behavior, which makes them more strict than folkways. One difference between a more and a folkway is the following: Mores may carry serious consequences if violated; folkways do not. Folkways on the other hand are norms for routine or casual interaction.