The mass of the moon is 7.36×1022kg and its distance to the earth is 3.84×108m. what is the gravitational force of the moon on the earth?

a longitudinal wave moves energy that is to the direction of the wave’s movement. - true

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.