3), strongly absorbs the UVB and UVC wavelengths and types a protecting ozone layer with the lower stratosphere, which shields the biosphere from ionizing ultraviolet radiation. Nonetheless, ozone present at the area is usually a corrosive byproduct of smog and thus an air pollutant. You do not ordinarily use 'much' https://hyperbaricchambercostuk07406.is-blog.com/42915345/what-does-oxygen-chambers-for-cancer-treatment-mean