Which disease was especially deadly to european settlers in the chesapeake?

Prior to the development of dna fingerprinting, blood type could be used to determine possible parentage. although it might prove someone was not a parent, it could not show if someone was positively the parent, only that he or she might be a parent. which of the following is a true statement that can be made about parentage based on blood typing?

How does natural selection change thephenotypes within a population over time?

Which ocean is on the eastern coast of north and south america? arctic ocean indian ocean pacific ocean atlantic ocean