Answer is:
To a dog, dog food is an example of a primary reinforcer, whereas Frisbee is an example of a secondary reinforcer.
Step-by-step explanation:
Primary reinforcers are natural. Meat, drink, and entertainment is the primary models of primary reinforcers.
A primary reinforcer is a reinforcer that an animal is owned wanting so as to feed, water, house. Secondary, or modified, reinforcers are motives, things, or situations that enhance reinforcing based on their connection with a primary reinforcer.