How does the work of Warren and Marshall illustrate steps of the scientific method? They made observations, formed a hypothesis, conducted experiments, and published their results. They did appropriate experiments and won the Nobel prize. They remained curious about ulcers but did not go to the trouble to document their findings. They worked hard and made a great deal of money from their ideas.

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.  

answerearly selection theory;