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  1. fredlo2009's Avatar

    • Join Date: Jan 2009
    • Posts: 2
    #1

    Unhappy Please help me with comprehention

    I have to finish my article summary but i do not understand this paragraph

    Amazon dieback is one of the key positive feedbacks brought about by global warming. These are typically runaway processes in which global temperature rises lead to further releases of COČ, which in turn brings about more global warming. In the Amazon this happens on a more localised scale but the result, increased forest death, also releases carbon into the atmosphere.


    Help me please

  2. konungursvia's Avatar
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    • Join Date: Mar 2009
    • Posts: 5,158
    #2

    Re: Please help me with comprehention

    It means the Amazon is vulnerable to carbon dioxide increases, but when it dies, the whole earth's ability to turn carbon dioxide back into oxygen is decreased. Thus, Amazon deforestation -> carbon dioxide increases -> more trees die -> more carbon dioxide -> more trees die etc.


    • Join Date: Nov 2007
    • Posts: 5,409
    #3

    Re: Please help me with comprehention

    ...which leaves me puzzled with this passage why
    "Amazon dieback is one of the key positive feedbacks brought about by global warming."

    I couldn't get my head around it!

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