Carbon-14 has a half-life of 5,730 years. If a 2000g sample goes through 2 half-lives, how much of the parent material is left?

answer; behavioral neuroscience;

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.