The type of channel that speaker one and speaker two use in their communication would be auditory - b.
The fact that we're talking about "speaker" 1 and "speaker" 2 implies already the fact that both of them are talking and this then implies that they are using the auditory channel of communication.
Tropical rainforests have the most diversity of any other ecosystem
Answer: C
Explanation: Traditional economies are about, well, tradition. Customs and long-held beliefs in a community, family, and so on shape how the economy is run. It would only make sense for a baker’s son to honor tradition and take up his father’s profession in a traditional economy.