Energy from the Sun that bounces off the surface of the Earth and returns to space is called... a. Rural areas
b. Heat absorption
C. Light colours
d. Heat reflection

none, its a machine

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.