Answer:
The Shannon and Weaver model is a linear model of communication that provides a framework for analyzing how messages are sent and received. It is best known for its ability to explain how messages can be mixed up and misinterpreted in the process between sending and receiving the message.
So basically it just works. Yes
An appositive phrase is when 2 nouns are put together. Therefore, the only logical answer on there would be Jason, my brother-in-law, because Jason is a noun, and brother in law is as well. Please let me know if this was correct! Hope I could help