Which document should a job seeker send with a résumé to a potential employer?

c). cover letter

Explanation:

A cover letter is a formal letter or document that a job seeker sends to a potential employer together with a resume. The letter details the positions that the vacant applicant seeks to fill. The cover letter or job application letter accords the applicant the opportunity to market themselves to the employer.

In the cover letter, a job seeker states why they are the best candidate for the position. Applicants use the cover letter to convince the employer to hire them.

i mean they dont have to

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