InformationalArticlePAIREDREADTakingActionbyCarlySchunaAWORLDOFWATERSTRATEGIES&SKILLSComprehensionStrategy:AskandAnswerQuestionsSkill:MainIdeaandKeyDetailsVocabularyStrategySynonymsandAntonymsVocabularyadvocates,commonplace,designate,initial,insulation,invasive,irrational,optimalContentStandardsScienceEarthSciencePhotographyCredit:ComstockImages/PictureQuest**Thetotalwordcountisbasedonwordsintherunningtextandheadingsonly.Numeralsandwordsincaptions,labels,diagrams,charts,andsidebarsarenotincluded.WordCount:2,860**ACopyright©TheMcGraw-HillCompanies,Inc.Allrightsreserved.Nopartofthispublicationmaybereproducedordistributedinanyformorbyanymeans,orstoredinadatabaseorretrievalsystem,withoutthepriorwrittenconsentofTheMcGraw-HillCompanies,Inc.,including,butnotlimitedto,networkstorageortransmission,orbroadcastfordistancelearning.Sendallinquiriesto:McGraw-HillEducationTwoPennPlazaNewYork,NewYork10121ISBN:978-0-02-119263-2MHID:0-02-119263-4PrintedintheUnitedStates.123456789DOC151413121110PAIREDREADIntroduction..................................2Chapter1DirtyWater...................................4Chapter2InShortSupply...............................8Chapter3Water,Water,Everywhere.....................12Conclusion..................................16RespondtoReading.........................18TakingAction......................19Glossary....................................22Index.......................................23FocusonScience...................24byCarlySchunaAWORLDOFWATEREssentialQuestionWhatstepscanpeopletaketopromoteahealthierenvironment?Earthisbothexquisitelybeautifulandincrediblyfragile.Allofourplanet’svitalresourcesneedprotectionfromharm.Theairwebreathe,thefuelweuse,thetreesandotherplantsthatsurroundus,andthewaterwedrinkareallatrisk.Overhundredsofyears,theincreasingnumberofpeopleontheplanethastakenatollonEarth’senvironment.Weuseproducts,runfactories,anddrivevehiclesthatcreateairpollution,whichcancausesicknessanddamageecosystems.Butthemostpressingissuefacingustodayi...