Answer:
b. A monetary gain that occurs as the result of a transaction
Yes, it is indeed true. Without communication, people around the world may hate each other and will triggers into war because of non-communication. Communication is the best method of why people understand and gets understood. It is an act that conveys intended meanings or an act of expression. Communication can develop civilization.
B. Think about the way the two chunks are said. The second part is more of an added thought, scoffed out. Dashes are perfectly fine where they are. C is definitely incorrect because the second sentence is just a dependent clause. A just doesn't make much sense. Dashes are pauses, breaks in what a person says. They can signal emotional changes, too.
