Answer: statements 2 and 3
Step-by-step explanation:
Firstly , communication is said to exist when a message has been passed through a medium and there is a feed back as a result of this process.
Non verbal communication is a type of communication whereby the medium of communication is through signs and body language, I.e there is no verbal communication. Communication with this method can only be understood if the party involved as an understanding of each other, once there is understanding , communication can be fulfilled. In this method , it helps to define the kind of relationship you will have with him, it helps to keep your identity , people that uses this method of communication mostly are people that has deep understanding, and helps maintain the relationship they have with others.