Answer:
litter, $500 fine, no having endangered sepcies as pets, small busines get free ads
Explanation:
The answer is: Impersonating and remaining silent.
In the passage, the narrator describes Tom Stoppard's play "Rosencrantz and Guildenstern Are Dead." Both originally Shakespearean characters from "Hamlet," Stoppard develops them further in their own play, in which they "pass the time by impersonating other characters" and "remaining silent for long periods of time."