Botany - Ecosystem Question with Solution | TestHub

Stratosphere zone of earth's atmosphere contains a layer of ozone $\left({\mathrm{O}}_3\right)$ which prevents the earth surface from about $99\%$ of incoming solar UV radiations. Ozone layer is present in the stratosphere which is also called ozonosphere. It lies at an altitude of $23-25\mathrm{km}$ over equator and its concentration is 300 dobsons.