关于水资源的作文英语.doc

关于水资源的作文英语 水几乎无处不在即使在世界上最干燥的地方空气中也有水我们需要水那我们写水资源作文呢接下来小编为大家推荐的是关于水资源的作文相关内容欢迎阅读 Waterisveryimportantforlivingthings.Withoutwatertherecanbenolifeonearth.Allanimalsandplantsneedwater.Manalsoneedswater. Waterisfoundatmosteverywhere.Eveninthedriestpartoftheworldthereissomewaterintheair. Asweallhavefoundout,watermaybeasolid,oraliquidoragas.Whenitisasolid,itmaybeashardasbrick,Whenitisaliquid,youcanpouritoutofacontainer.Whenitisagas,youcannotseeorfeelit. Althoughabout70percentoftheearthssurfaceiscoveredwithwater,therearemanyplacesintheworldstillrunningoutofwater.Soweshouldmakegooduseofwateronearth. Itisgenerallybelievedthatthereisagoodsupplyoffreshwater.Buttoourdisappointment,thefactisjusttheopposite. Aswecansee,theworldpopulationisgrowingrapidlydaybyday.Soenoughfreshwaterisneededtofeedsuchabigpopulation.Whatsmore,withthe developmentofindustry,factoriesandvehiclesproducepoisonousgasesorwastes,whichconsequentlyresultsinthepollutionofwater.Thoughfresh,agoodamountofitcannolongerbeused.Onlyquitelimitedfreshwaterresourceisavailabletohumanbeings.Soitshightimeforushumanbeingstotakequickactiontoprotectwaterresource.Stoppollutionandsavewater,otherwise,wecannotsurviveontheearth. Withfreshwater,theworldwillbeprosperous. Wateristheprocessofnaturalprocess,involvingglobalwaterevaporation,atmosphericmoisturetransmission,surfacewaterandgroundwatercirculationandvariousformsofwaterstoragestorage.Precipitationandevaporationandrunoffisthehydrologiccyclethethreemajorlink,thisthreeconstitutionsof watercyclewaydeterminestheglobalwaterbalance,alsodecides,anareaofthewaterresources.Waterevaporationisoneofthemostimportantfunctionsof.Producedbyevaporationofwaterintotheairandoveratmospheric activitiesandsports.Atmosphericwatervapormainlyesfromtheocean,partofthatisfromthemainlandsurfaceevaporation.Watervaporinthe atmosphereofthecycleisevaporationcondensationprecipitationandthecyclicalofevaporationprocess.Oceanwatervaporabovecanbetransportedtothelandabovewatervaporcondensationprecipitation,c