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The ozone layer protects the Earth from the ultraviolet rays sent down by the sun. If the ozone layer is depleted by human action, the effects on the planet could ... The fact that the ozone layer was being depleted was discovered in the mid-1980s. The main cause of this is the release of CFCs, chlorofluorocarbons.
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library.thinkquest.org/26026/Environmental_Problems/ozo...
library.thinkquest.org/26026/Environmental_Problems/ozone_depletion.html
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The Earth's ozone layer protects all life from the sun's harmful radiation, but human activities ... Each natural reduction in ozone levels has been followed by a recovery. Recently, however, convincing scientific evidence has shown that the ozone shield is being depleted well beyond changes due to natural processes.
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www.epa.gov/Ozone/science/sc_fact.html
www.epa.gov/Ozone/science/sc_fact.html
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Stratospheric Ozone; The stratosphere, or "good" ozone layer extends upward from about 6 to 30 miles and protects life on Earth from the sun's harmful ultraviolet (UV) rays. ... This natural shield has been gradually depleted by man-made chemicals like chlorofluorocarbons (CFCs). A depleted ozone shield allows more...
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www.epa.gov/ozone/
www.epa.gov/ozone/
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As a result of these chemical processes, the ozone layer is being depleted. Scientific observations show significant depletion throughout the year in both the northern and the southern hemispheres at middle and high latitudes, although not yet at the tropics.
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roo.undp.org/gef/gefos/gefos5.html
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Because ozone is a highly unstable molecule, it readily donates its extra oxygen molecule to free radical species such as nitrogen, hydrogen, bromine, and chlorine. These compounds act as catalysts in the breakdown of ozone molecules. O + X...
http://www.med.uwo.ca/ecosystemhealth/education/casestu...
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Actually OZone is a gaseous layer.Ozone is nothing but another form of Oxygen (03).It is highly reactive.Gases like carbon monoxide react with ozone to form oxygen very rapidly.These gases are emitted from motor vehicles, refrigerators,fact...
http://sawaal.ibibo.com/hyderabad/why-ozone-layer-being...
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Explains how the ozone layer is being depleted, and what you can do about it. ... You have probably heard people talk about a "hole" in our ozone layer. Damage to our Earth's giant protective umbrella is more severe in the South Pole, but, even there, no actual "hole" exists. And only a slight thinning ... What's being done?;
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www.ec.gc.ca/ozone/DOCS/KIDZONE/EN/ozoneupthere.cfm
www.ec.gc.ca/ozone/DOCS/KIDZONE/EN/ozoneupthere.cfm
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In layman's terms, how is the ozone layer being depleted? Science: Ozone Depletion In the stratosphere, the region of the atmosphere between about 6 and 30 miles (10 and... ... It acts as a shield by absorbing biologically active ultraviolet light (called UV-B) from the sun. If the ozone layer is depleted, more of this UV...
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www.answerbag.com/q_view/7181/date
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Over some parts of Antarctica, up to 60% of the total overhead amount of ozone (known as the column ozone) is depleted during Antarctic spring (September-November). ... All other things being equal, and with adherence to the international agreements, the ozone layer is expected to recover over the next 50 years or so.
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www.ozonelayer.noaa.gov/science/basics.htm
www.ozonelayer.noaa.gov/science/basics.htm
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