Why is absolute dating more accurate than relative dating? Relative dating uses the half-life of an element.
Absolute dating uses the half-life of an element.
Relative dating compares the placement of fossils.
Absolute dating uses more fossils than relative dating.

conduction, convection, radiation

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.