Howtoprotectwater
Aseverybodyknowsthatwaterisoneofthemostimportantthingsforusalltoliveintheearth.Wecannotlivewithoutwater.Soit'simportanttoprotectwater.
Timegoseby,Withtherapiddevelopmentofscienceandtechnology,wearefacedwithseriousenvironmentalproblems.Waterpollutionisveryserious.Drinkingwaterhasbeenreduced.Sowemusttakemeasurestoprotectwaterresources.Buthowshouldweprotectandre-usewaterresources?
Ononehand,wecanre-usewater.Inordertomakefulluseofwater,Wecanplantflowersusingthewaterwerebeusedtowashdishes,andsoon.Ontheotherhand,weshouldnotwastewaterinourdailylives.Remembertoturnoffthetapwhenyoudon'tuseit.
Wecandosomuchtoredusewaterproblems.
您好:Waterisveryimportantforlivingthings.Withoutwatertherecanbenolifeonearth.Allanimalsandplantsneedwater.Manalsoneedswater.
Waterisfoundatmosteverywhere.Eveninthedriestpartoftheworldthereissomewaterintheair.
Asweallhavefoundout,watermaybeasolid,oraliquidoragas.Whenitisasolid,itmaybeashardasbrick,Whenitisaliquid,youcanpouritoutofacontainer.Whenitisagas,youcannotseeorfeelit.
Althoughabout70percentoftheearth'ssurfaceiscoveredwithwater,therearemanyplacesintheworldstillrunningoutofwater.Soweshouldmakegooduseofwateronearth.
水
水对生物很重要,没有水,地球上就没有生命。所有的动植物都需要水。人类也需要水。
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。
水,正如你所了解的,有固态、液态和气态。当它是固态时,它可以像砖一样硬;当它是液态时,你可以将它从容器中倒出;当它是气态时,你看不见或感觉不到它。
虽然地球表面70%是水覆盖着,世界上仍有许多地方缺水。所以我们要好好利用地球上的水
满意请采纳O(∩_∩)O谢谢