The answer is d all of the above
Parasitism, that should be the correct answer for this question!
The multimedia ad from the Centers for Disease Control's advertising campaign for the flu vaccine includes image and text.
It does not include animation since the image or photograph is moving, it doesn't include a graph or chart since it is not discussing or promoting statistics.
I believe that it's the amount of food he gets in the cafeteria. Sometimes even though there's no snacking on between meals, if the serving sizes are too large,it can lead to weight gain
