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Thread: The Ozone Layer

  1. #1 The Ozone Layer 
    Forum Freshman SusAye's Avatar
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    Hello ppls. I know this sounds really stupid, but I was wondering what the ozone layer actually consists of. Cos like, is it ozone? Har har... anyway yeah just wondering.


    Interesting person. =] heh.
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  3. #2  
    Forum Junior Artemis's Avatar
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    Ozone (O3)


    Student Neurobiology
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  4. #3 Re: tha ozOne laYer . . 
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    Quote Originally Posted by SusAye
    Hello ppls. I know this sounds really stupid, but I was wondering what the ozone layer actually consists of. Cos like, is it ozone? Har har... anyway yeah just wondering.
    as well as O3 I understand it has holes in it :wink:
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  5. #4  
    Universal Mind John Galt's Avatar
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    The name ozone layer is somewhat misleading, since it makes most people think of a layer of ozone. It isn't. It is an atmospheric layer which is rich in ozone compared with any other portion of the atmosphere.

    Ozone production depends upon dissociation, into two atoms of oxygen, of oxygen molecules by photolysis. An oxygen atom then links up with an oxygen molecule to yield ozone.

    Deep in the atmosphere there is insufficient radiation to dissociate the oxygen. At very high altitudes there is insufficient oxygen to produce significant dissociation. There is an optimum altitude where production of ozone is maximised. That is the ozone layer.
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  6. #5  
    Forum Freshman electricant's Avatar
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    the ozone layer in the atmosphere protects us from harmful UV radiation (the type which causes skin cancer).

    REACTION 1 - Oxygen (O2) in the atmosphere absorbs UV to make makes oxygen free radicals (O1).
    REACTION 2 - Oxygen free radicals react with more O2 to make ozone (O3).
    REACTION 3 - Harmful UV frequencies (UV-B) are absorded by O3 creating O2 and another oxygen free radical.

    Reaction 3 is the reverse of reaction 2 so these two steps cycle continuosly consuming harmful UV-B. Hurray for ozone!

    CFCs are bad because they consume O3 and oxygen free radicals in a non-reversable fashion, faster than they can be replenished. Boo for CFCs!

    Another thing to remember is that this is very high up in the atmosphere. Ozone at ground level (polution form industry and from inefficient cars etc) is a bad thing, it is damaging to you eyes, lungs etc.
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  7. #6  
    Forum Freshman SusAye's Avatar
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    lolz fanx yoo very much
    Interesting person. =] heh.
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  8. #7  
    Forum Bachelors Degree The P-manator's Avatar
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    But if the ozone happens to drift away from the layer, what happens to it?
    Pierre

    Fight for our environment and our habitat at www.wearesmartpeople.com.
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