The answer choice which is not an example of a communication channel is:
This refers to the different methods through which a message can be delivered to a person or groups of persons.
With this in mind, we can see that television, tinternet, the use of letters are all communication channels as t hey are used to transmit information but travelling cannot be considered as a communication channel.
Read more about communication channel here:
https://brainly.com/question/848260
