324 Words Essay on Ozone Layer
Essay on Ozone Layer (324 Words)Have you ever suffered from sunburn? This burning of the skin is caused by ultraviolet (UV) light from the Sun. Serious burning is not only painful, but it may cause skin cancer. Fortunately, almost all of the harmful UV radiation is absorbed by a layer of ozone gas 20 – 50 km above the Earth. The ozone layer is a layer in Earth’s atmosphere. ADVERTISEMENTS: It contains relatively high concentrations of ozone. This layer absorbs 97- 99% of the sun’s high frequency ultraviolet light, which is potentially damaging to life on Earth. However, ozone is a form of oxygen that can be destroyed easily by certain man- made chemicals.In 1987, the leading industrial countries agreed to phase out these chemicals. Even so, satellites have shown…