How is the sun similar to the stars that can be seen at night?
a) the sun makes light energy.
b) the sun takes light energy from space.
c) the sun warms the earth with its light.
d) the sun reflects light from the planets.

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.