Final answer:
The example in paragraph 8 is an example of onomatopoeia.
Step-by-step explanation:
The example in paragraph 8 includes the literary device of onomatopoeia. Onomatopoeia is when words mimic or imitate sounds. In this paragraph, the author uses words like 'Ppppthhht' and 'Shvvvvvpt' to imitate the sounds of air being forced in and out between Aunt Lucy's teeth.