Answer:
1. C (pathos)
2. A (logos)
3. B (ethos)
Step-by-step explanation:
In 1. you tell your parents to adopt a puppy from a shelter and the puppy would make you happy and you would feel lonely without it (use of emotions to make a point)
In 2. you use actual statistics such as how much the phone would cost and etc.
In 3. you talk to your friends that to help others is a good thing to do and experts say students who volunteer are more successful as adult (morals).