Within a certain type of star called a neutron star, the material at the center has a mass density of 1.0 × 1018 kg/m3. if a tiny sphere of this material of radius 1.0 × 10–5 m were somehow transported to the surface of the earth, what would be the weight of this sphere?

the device is called “ rocket engine”

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.