(& points) 1. What happens in the process of radioactive decay? What is the half-life of a radioactive substance, and how is it used to date an object? Answer: {9 points) 2. What is the difference between special relativity and general relativity? Briefly describe each theory and cite one piece of evidence supporting each theory. Answer: (8 points) 3. What is the difference between an emission spectrum and an absorption spectrum? What is the Bohr model of the atom, and how does it explain both emission and absorption spectra? Answer. 2. What is th theory and