A cell drives a current of 5A through a 1.6 resistor. When connected to a 2.8 resistor, the current that flows in 3.2A. Find E and r for the cell.
(4 marks)

the area between the graph and the t axis

im sorry i dont know

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.