Final answer:
A pea is an example of something you eat that might roll away if dropped on the floor.
Step-by-step explanation:
If you drop something on the floor, it may not be safe to eat even if you pick it up within a few seconds. Bacteria and other microorganisms can contaminate food upon contact with surfaces such as floors.
In terms of the options given, a pea is an example of something that might roll away if dropped on the floor. It is small and round, making it easy for it to move away.