Goes up and forms , then down as , then into the , and flows underground until it gets to a . After that, it flows into the and eventually goes back into the VIDEO LINK BELOW

Daughter element the new element produced along with a decay particle in a nuclear transmutation 2. half-life the substance that decays in a nuclear transmutation 3. parent element the change of one chemical element into another by nuclear decay or radioactive bombardment 4. transmutation the time required for the decay of one-half of the atoms in a sample of radioactive material