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    Please give me 5 past exam questions on global warming in unit 4 i think
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    (Original post by shirhan)
    Please give me 5 past exam questions on global warming in unit 4 i think
    Just moved this to the biology section

    I can give you a couple:
    -Suggest why temperatures below 0℃ or above 40℃ would be unsuitable for most organisms. (2)

    -Explain how this range of temperatures has been maintained by the presence of carbon dioxide and methane in the upper atmosphere. (3)

    -It has been suggested that a reduction in the use of some fossil fuels is necessary if further global warming is to be prevented. Some scientists disagree with this suggestion.

    Suggest why these scientists do not agree that a reduction in the use of fossil fuels will prevent global warming (6 marks)

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