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    Geography A-Level

    Feedback Mechanisms and Tipping Points

    What Feedback Mechanisms and Tipping Points means in Geography A-Level, as defined for Pearson Edexcel.

    Definition of Feedback Mechanisms and Tipping Points

    The transition of carbon sinks to sources and the acceleration of hydrological instability through positive feedback loops, such as permafrost thaw and forest dieback.
    Pearson Edexcel · The Carbon Cycle and Energy Security

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    Using Feedback Mechanisms and Tipping Points in the exam

    Definition questions usually carry one or two marks, and examiners look for the precise wording. Write the definition from memory, check it against the version above, and then use the term in a longer answer on the same topic so it sticks.

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