improving for both men and women. so the answer should be C.
From north to south...
Maine, New Hampshire, Massachusetts, Connecticut, Philadelphia, Rhode Island, New York, Delaware, Maryland, Virginia, North & South Carolina, Georgia, and Florida all border the east coast.
The correct answer to this question is Nucleic acids
Not sure on the other questions but some reasons people migrate are for wealthier jobs, better health care and to flee civil war. hope this helped :)