Inrecentyears，theEarthhasbeengettingwarmer．Averagetempe...
问题详情：Inrecentyears，theEarthhasbeengettingwarmer．Averagetemperatureshaverisen．Possiblythisisnatural，butprobablywearecausingit．Modernpeopleusealotofelectricityanddrivealotofcars．Thisputscarbondioxide（二氧化...