What is it you're asking? I am knowledgeable about the holocaust however I can't answer a question that hasn't been asked.<span />
A. Families who are in need of this service
It is a metaphor because it is comparing one thing to another.
Rethorical devices are all those which helps an individual to argue successfully, defending his point of view but also convincing people to agree with his saying. That is why rethorical devices can help a student: he can explain himself better, defend his ideas and even convince others to do what he believes to be the best.
Answer: certificate of completion
