When a solute can't be dissolved in a solvent what is it called called?

SATURATED

Explanation:

When a solute can no longer be dissolved it is considered "saturated" as is.

uranium fissions/breaks up giving out energy and neutrons

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.