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书迷正在阅读:水火不容 , 科技生死战 , 神仙堕凡,神主难逑(np.无CP) , 王的宠妃 , 梦里啥都有 , 潮起未落 , 乐马短篇小说集 , 铁道迷的自己 , 强制标记 , 肉文男主的科举日常 , 转弯处遇到自己 , 玩物
请在这章里悄悄话点梗~有空会写哒 慢慢写点 我吃吃吃此处吃吃吃 ————剩下都是凑字—————— Theatmosphereisohecrucialpartsoftheenviro.ItisayerofgasesthatsurroundstheEarth,mainlyposedofnitrogenabout78%,oxygenabout21%,andsmallamountsofasessuchascarbondioxide,argon,andtraceamountsofneon,helium,ahaheatmosphereprotectsusfromharmfulsorradiatiutestheEarth,stemperature,andprovidestheairwebreathe.Forexample,theozohiratospherepysavitalroleinabsmostoftheSun,sultravioletradiation,whichcauseskindotherhealthproblemsifitreachestheEarth,ssurfargeamounts. Thehydrosphereincludesallthewateroh,ssurface,suchasos,seas,kes,riv