Ultraviolet (UV) Radiation: A type of electromagnetic radiation emitted by the sun that is invisible to human eyes but can cause damage to living organisms and materials.
Stratosphere:The second major layer of Earth's atmosphere located above the troposphere. It contains most of the ozone layer and extends approximately 10-50 kilometers above sea level.
Ozone Hole: A region with significantly depleted levels of ozone in a specific area, often observed over Antarctica during certain times of the year due to chemical reactions involving CFCs.