When addressing an unknown audience in a cover letter, what type of tone
should a writer have?

Explanation:

The question is not full as it is missing the options. Possible options to this question could be theses

or these

The answers based on these options are polite and respectful.

When writing a cover letter, we don't know who the audience is and we are usually applying for a position or a job we want to have. I

n this case, we should always be formal, polite and respectful, not using personal tone, slang or casual attitude.

While grammar and structure of the cover letter are of great importance as well, they are not considered the tone of the letter and can't be answered in this question.

the answer is: round.

in literature, round characters are considerably complex and experience or are subjected to unpleasant situations. as a consequence, they go through crucial sentimental and psychological development, which can cause surprise in the readers. in this case, juan's dramatic transformation is related to the adversities he meets at school.