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    Combined Science GCSE

    Infrared absorption and re-emission

    What Infrared absorption and re-emission means in Combined Science GCSE, as defined for AQA.

    Definition of Infrared absorption and re-emission

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    Reference: AQA

    Methane absorbs infrared radiation emitted by the Earth's surface and re-emits it, so more energy is retained and average global temperature rises.
    AQA · Human activities which contribute to an increase in greenhouse gases in the atmosphere (study guide)

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