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The term "shield" as a description of ozone in the stratosphere is a bit misleading because the molecules do not form an impermeable sphere around the earth. Ozone continuously breaks apart into its oxygen atoms and reforms as ozone molecules, so a particular ozone molecule doesn't last very long.
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www.ucar.edu/learn/1_5_1.htm
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When this light is used to illuminate an ozone molecule, the ozone breaks up to form a diatomic molecule (a pair of students) and an oxygen atom (single student). ... More ozone molecules should be in the stratosphere. The student with the flashlight representing UV should be in the place designated as the stratosphere.);
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www.ucar.edu/learn/1_6_2_26t.htm
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In the ozone layer, UV radiation striking CFC molecules causes chloride atoms to break away and collide with ozone molecules. Chlorine atom reacts with ozone to form chlorine monoxide, by stealing one oxygen atom and releasing an oxygen molecule.
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www.emb.gov.ph/philozone/template/ozone%20trivia_3.htm
www.emb.gov.ph/philozone/template/ozone%20trivia_3.htm
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Provides basic explanations of the science of stratospheric ozone. ... Explains how Man has affected the Ozone Layer. ... ; A description of how oxygen molecules in the stratosphere form ozone molecules.
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ozone.gi.alaska.edu/
ozone.gi.alaska.edu/
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Ozone is a naturally occurring molecule containing three atoms of oxygen. Ozone molecules form a gaseous layer mostly in the upper atmosphere (the stratosphere) 15-30 km above the surface of the earth, and protects life on earth by absorbing ultra-violet (UV) radiation from the sun. ... What is Ozone?
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www.environment.gov.au/atmosphere/ozone/ozone.html
www.environment.gov.au/atmosphere/ozone/ozone.html
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The oxygen in the air is broken down to charged oxygen atoms, some of which recombine to form molecules of ozone. You are probably familiar with the positive, sweet smell after a storm, what we associate as clean, fresh air and that smell of laundry hung outside in the sun to dry.
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www.a1cleaningconnection.com/air_duct_cleaning/ozone.ht...
www.a1cleaningconnection.com/air_duct_cleaning/ozone.html
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Each Cl atom introduced into the stratosphere can destroy thousands of ozone molecules before it is removed. The process is even more dramatic for Bromine; it has no stable "reservoirs", ... Therefore, ClO will break if it comes across a free O. Start the simulation by making all of the O atoms form ozone (rings of 3).
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jan.ucc.nau.edu/lrm22/lessons/ozone_layer/ozone_layer.h...
jan.ucc.nau.edu/lrm22/lessons/ozone_layer/ozone_layer.html
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Ozone-oxygen cycle - Wikipedia, the free encyclopedia
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The ozone-oxygen cycle is the process by which ozone is continually regenerated in Earth's stratosphere, all the while converting ultraviolet radiation into heat energy. In 1930 Sydney Chapman resol...
en.wikipedia.org/wiki/Ozone-oxygen_cycle
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It is created when ultraviolet radiation (sunlight) strikes the stratosphere, dissociating (or "splitting") oxygen molecules (O2) to atomic oxygen (O). The atomic oxygen quickly combines with further oxygen molecules to form ozone:
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www.atm.ch.cam.ac.uk/tour/part1.html
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