What is a leading cause of death among children between the ages of 1 and 4 years old?

How did the discovery of the rhesus factor affect society? o more patients died from having a transfusion with the wrong rhesus factor 0 new treatments during pregnancy could prevent harm to the developing child. o less donated blood could be used in the treatment of patients. the number of blood types was reduced by half

During binary fission, what events must occur before the cell splits into two new cells?

They live on every continent except antarctica