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
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Theatmosphereisohecrucialpartsoftheenviro.ItisayerofgasesthatsurroundstheEarth，mainlyposedofnitrogenabout78％，oxygenabout21％，andsmallamountsofasessuchascarbondioxide，argon，andtraceamountsofneon，helium，ahaheatmosphereprotectsusfromharmfulsorradiatiutestheEarth，stemperature，andprovidestheairwebreathe.Forexample，theozohiratospherepysavitalroleinabsmostoftheSun，sultravioletradiation，whichcauseskindotherhealthproblemsifitreachestheEarth，ssurfargeamounts.
Thehydrosphereincludesallthewateroh，ssurface，suchasos，seas，kes，rivers，andgroundwater.Oscoverabout71％oftheEarth，ssurfadarehometoanincrediblydiverserangeofmarinelife.Theyalsopyasignifitroleiingtheglobalclimatethroughprocessesliketheabsorptionandreleaseofheat.Riversandkesareimportantsourcesoffreshwaterfordrinking，irrigation，andindustry.Groundwater，storedbehtheEarth，ssurfaaquifers，isaalwaterresourcethatoftentakesalongtimetoreplenish.
ThelithosphereisthesolidouterpartoftheEarth，whicludesthecrustandtheuppermaprovidesthefoundationforalllifeformsandisriminerals.Thesoil，apartofthelithosphere，isamixtureanicmatter，minerals，gases，andliquidsthatsupportspntgrowth.Differenttypesofsoilshavedifferentproperties，ihetypesofpntsthatthriveinaparticurarea.
Thebiosphereisthezonewherelifeexists.Itincludesalllivinganisms，fromthetimiismstestanimals.Pntsaretheprimaryproducers，vertingsunlight，carbondioxide，andwaterintanicmatterthroughphotosynthesis.Thisprootonlyprovidesfoodforthemselvesbutalsoformsthebasisofthefood.Animals，rangingfromistomammals，havevariousrolesintheecosystem.Someareherbivoresthatfeedonpnts，whileothersareivoresthatpreyonotheranimals.Deposers，suchasbacteriaandfungi，breakdowndeadanicmatter，reutrientsbatotheenviro.
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