It depends on what you are speaking about. If you are talking about something that you want people to thoroughly understand then use a lot o body language. If you are talking about something that you know might have a weak side, then use less body language.
Answer:
The answer is B
Explanation:
Moving a balloon across a wool cloth is an example of a contact force
I believe the answer is: internal affairs
In law enforcement agencies, internal affairs refers to the division that created in order to investigate potential misconducts from the employees of the agencies itself. Not taking complaint seriously, using unecessarily agressive method to enforce laws, cooperating with criminals, are examples of the things that usually attract the movement from internal affairs dicision.