One characteristic of an origin story is a supreme being. a being that will trigger the events that create the phenomenon.
Answer 70 times
Explaination 70 times
Answer:
People with type O- blood are called universal donors because their donated red blood cells have no A, B or Rh antigens and can therefore be safely given to people of any blood group. ... Their plasma does not contain A or B antibodies and can be transfused safely to all blood types.
The simple answer here is because of slavery.
