Acomputer will reliably follow a set of instructions without any variation or mistakes. which of the following is the best explanation for why random chance is included in a computer simulation?

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?