an object has a variable volume and shape before it changes state. After the change, it can still change in shape but has a fixed volume. What change of state has occured?

need to see circuit to get time constant

an electric circuit

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.