The artist's uses facial expression's within this comic for multiple reasons. The facial expressions used in this comic strip allow the readers to understand what is going on in that particular scene. It also lets people know the reactions the characters are making as well as the emotions that they are feeling. The expressions make the comic more engaging towards the reader, and adds an additional humorous element to the storyline.
I am not sure but I think the answer might be B: (light meter, aperture, exposure) because they can either photoshop and or use different filters and edit with certain apps.
