题目内容

Globalcarbon(C)emissionsfromfossilfuelusewere______gigatonnes(Gt)in2014(or35.9GtofCO₂).

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Climatechangereferstochangesintheearth'sclimate,especiallythe_______________intemperaturecausedbyhighlevelsofcarbondioxide (CO₂) andothergases.ItreferstochangeoccurringintheEarth'soverallclimateandinparticularclimates,nowregardedasaresultofhumanactivityandresultinggenerallyinglobalwarming.

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