Two skydivers of different masses jump from a plane. In three to five sentences, explain how their falls compare, including the effects of gravity, mass, and air resistance.

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