Question

what are tertiary characters? sub characters who play a role that helps the story come full circle unknown characters who play a role that helps the story come full circle main characters who play a role that helps the story come full circle

Explanation:

Tertiary characters are sub - characters that contribute to the story's completion or closure, often having a smaller but still significant role. They are not main characters and are not typically unknown, but rather secondary or minor figures in the narrative.

Answer:

sub characters who play a role that helps the story come full circle