Robert has added running and rowing to his fitness routine. what will these activities most likely improve ? a. body composition b. cardiorespiratory fitness c. flexibility d. muscle fitness

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