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An estimated time from one billion years ago aquatic organisms known as blue-green algae were performing photosynthesis and some of the oxygen was absorbed by the Sun's ultraviolent rays.
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The structure of the ozone layer is in three different layers that are sub divided to each other. The layers are troposhere, stratosphere, and ionosphere.
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The function of the ozone layer is to absorbed the atoms from the oxygen that makes a thin line above the earth to protect it from irradiation by UV light.
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discovered by Christian Friedrich Schobein in the early 1800's
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when scientist start seeing the depletion of the ozone
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They are completely unreactive and do not affect human health in any way. This gives them extremely long atmospheric lifetimes and allows then to accumulate in the atmosphere.
