The stratosphere is the atmospheric region located directly above the troposphere and below the mesosphere. It starts at the tropopause and extends upward to an altitude of about fifty kilometers. Unlike the layer below it, the stratosphere is characterized by ...
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Ozone is the atmospheric gas that protects life from being scorched by the sun’s intense ultraviolet rays. Most of this gas is concentrated in the stratosphere, forming the ozone layer. It acts as a biological shield, absorbing high-energy radiation that ...