All of the following descriptions identify a theme explored in “learning guitar” except a. the kindness of friends. b. the struggle to learn new skills. c. the commitment shown by family. d. the frustrations experienced when failing to persist.

Except C.

Explanation:

When you are learning to play the guitar you will experience the struggle to learn a new skill and then, maybe you experience some frustrations when  failing. So the kindness of friends is something important to persist in learning new skill that will help you to play the guitar. The commitment to learn has to be yours not your family.

the star of david was known as the jewish star : d

the answer to the given question above would the one that wiesel is establishing and how is ethos by appeal to his authority in having survived the holocaust. hope this answers your question.

have a great day ahead!