First, using the balance, find the mass of a pumpkin on Jupiter. Then place the pumpkin on the spring scale and record its weight. Finally remove the pumpkin and weigh the masses from the balance on the spring scale. How do the weights compare? Gizmos

less than one you can't create energy

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.