WEDO: Ozone in the earth's atmosphere serves to protect us from potentially harmful uX-rays from the sun. The following elementary steps describe one way that ozone is broken down in the upper atmosphere creating a hole in the ozone layer: Step 1) O3(a+NO(t)NO2(a)+O2(t)(slow) Step 2) NO2()+O(s)NO(g)+O2(g) (fast) a) Write the overall reaction. b) Identify the catalyst c) Identify the intermediate(s)