Help please i really need help

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?

The chemical form of energy that is useable by the cell to do work

Examine the air pressure map. which type of line is shown on the map?