A cover letter should do the following:

This migraine wont go away and i dont feel safe taking any more medicine for the next few hours

How can a person  best  reduce the risk of injuries on the road?  

Which statement best illustrates that problem solving can create new medical devices? robert hooke was in charge of verifying the information that was sent to the royal academy. william harvey did experiments with apes to learn about the circulatory system. the stethoscope was invented because the physician did not want to put his head on women's chests to listen to their heart and lungs. anton van leeuwenhoek was a very curious man and looked at just about everything under this microscope.