Final answer:
'Milk and apples are brain food' is an example of bandwagon propaganda.
Step-by-step explanation:
'Milk and apples are brain food' is an example of propaganda, specifically bandwagon propaganda. Bandwagon propaganda is a technique that tries to persuade people to do something by telling them that everyone else is doing it. In this case, the statement is implying that milk and apples are popular choices for improving brain function, and therefore, the student should also consume them for the same reason.