UV rays from the sun shine down on the earth. The ozone layer filters the UV rays and only lets good rays in to heat of earth. Then the bad light waves bounce back and return to the sun through infrared waves! However, sometimes there are some conflict .
UV is capable heating up the earth too much ozone causes global warming and problems .
Well CFC and Ozone combined together releases chlorine, Which reacts to oxygen. Without ozone, UV can let in many light waves . Heating up the earth is not good for the enviroment
UV and CFC combined, Breaks down ozone in small peaces
Without an ozone layer, humans, plants, nor animals nor animals would be able to survive because the earth would be to hot and we would burn to death