Rhetorical Techniques

Ethos: 

This is ethos, because this ad has the support of a famous person.  The ad is trying to promote people to drink milk by showing them that famous people like milk.  

Pathos: 

This is pathos, because this picture appeals to a person's emotions.  It makes people feel bad for this person who lost their limb due to a drunk driver. 

Logos:

This is logos, because an idea is shown while stating a fact that supports that idea.