How far does a freely falling apple drop in 5.1 s after being released from rest?

Blank liquids and gases exert a buoyant force on objects placed in them

The ozone hole appears in antarctica during

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