What is the main purpose of a thought bubble in a graphic novel? O It displays authentic dialogue. O It shows what the characters say. o It gives background information O It illustrates internal dialogue ,

It illustrates internal dialogue.

Explanation:

In graphic novels, the thought bubble is used to show internal dialogue. The term that is more widely used is internal monologue. In literature, a dialogue is a conversation between two or more characters, and a monologue is a speech presented by one character in order to show their thoughts. When those thoughts remain inside a character's head, we have an internal monologue/dialogue. In graphic novels, we can get insight into those thoughts thanks to thought bubbles.

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