Answer:
we don't have access to the book it isn't available online
sorry cant help
Answer:
Visual aids are items of a visual manner, such as graphs, photographs, video clips etc used in addition to spoken information.
Hi I would say it would be c.
Answer: act as a single unified sentence
Explanation: I suspect this is the answer, because usually it would be like a list. And the list wouldn’t usually be separated in different sentences