In 1984, a baby born with a serious heart defect had a baboon heart transplanted into her body and lived for twenty-one days before she died. This surgery was made possible because

The table below shows the elements that mainly comprise each of the four layers of earth: elements in layers layer main elements crust oxygen, silicon mantle iron, magnesium outer core iron, nickel inner core iron which of these elements make up the layer that is 0.2 to 1.1 percent of earth's total diameter?