Speech balloons, also known as speech bubbles, dialogue balloons or word balloons, are a graphic convention used most commonly in comic books, comics and cartoons to allow words to be understood as representing the speech or thoughts of a given character in the story or events of the graphic novel or Comic.
According to the information presented before I would conclude that the main purpose of a speech bubble in a graphic novel is:
D) It illustrates internal thoughts.
I think it would be the one from paragraph 4, it shows laura has overheard what they were talking about and her mood changes and feels hurt
To find the theme, you look for the main idea or topic.
An author might present facts and statistics to prove his or her opinion. What type of appeal is this?
D. Unbiased