Which of the following is most dense? asthenosphere, continental, crust , core , mantle, or oceanic crust

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.

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

How do disease caused by bacteria and disease caused by viruses react to antibiotics?