Contains a nucleotide made of ribose, phosphate group, and guanine DNA only
RNA only
Both DNA and RNA
Neither DNA nor RNA

the answer is RNA only

Explanation:

RNA only

answerthe above statement is (false);

the cover letter for a job search includes the skills one has for the particular job. including a cover letter is always a good idea, as it describes the ability to perform a task, and the employer can easily fetch the intention of the job you want to do.  

the cover letter is very important to be included in the job search document. hence, i strongly with the statement.