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1:TheamountofairexchangedisevenlowerinREMthan
NREMbecause,althoughbreathingismorerapidinREM,
itisalsomoreirregular,withbriefepisodesofshallowbreathingorabsenceofbreathing.
○B(yǎng)ecausebreathingismoreshallowandirregularinREMthaninNREM,lessairisexchangedinREM.
○B(yǎng)reathinginNREMislesseffectivethanbreathinginREMbecauseofirregularepisodesofrapidbreathingduringNREM.
○B(yǎng)ecausebreathingismorerapidinNREMsleepthanin
REMsleep,breathingoftenbecomesshallow.
○AlthoughREMhasbriefepisodesofshallowbreathingorlackofbreathing,breathingismorerapidthaninNREM.
2:Fladmark’shypothesisreceivedadditionalsupportform
fromthefactthatthegreatestdiversityinnativeAmerican
languagesoccursalongthewestcoastoftheAmericas,suggestingthatthisregionhasbeensettledthelongest.
○B(yǎng)ecausethisregionhasbeensettledthelongest,italsodisplaysthegreatestdiversityinNativeAmericanlanguages.
○Fladmark'shypothesisstatesthatthewestcoastoftheAmericashasbeensettledlongerthananyotherregion.
○ThefactthatthegreatestdiversityofNativeAmericanlanguagesoccursalongthewestcoastoftheAmericanslendsstrengthtoFradmark'shypothesis.
○AccordingtoFladmark,NativeAmericanlanguageshavesurvivedthelongestalongthewestcoastoftheAmericas.
3:Thetraditionofreligioussculptureextendsovermost
historicalperiodsbutislessclearlydelineatedthanthatof
stonewaresorporcelains,foritembracestheoldcustomof
earthenwareburialceramicswithlaterreligiousimagesandarchitecturalornament.
○Whilestonewaresandporcelainsarefoundthroughoutmosthistoricalperiods,religioussculptureislimitedtotheancientperiod.
○Religioussculpturewascreatedinmostperiods,butitshistoryislessclearthanthatofstonewaresorporcelains
becausesomeoldformscontinuedtobeusedevenwhennewonesweredeveloped.
○Whilestonewaresandporcelainschangedthroughouthistory,religioussculptureremaineduniforminformanduse.
○Thehistoricaldevelopmentofreligioussculptureisrelativelyunclearbecausereligioussculpturessometimesresembleearthenwarearchitecturalornaments.
4:Manyplantsandanimalsdisappearabruptlyfromthe
fossilrecordasonemovesfromlayersofrock
documentingtheendoftheCretaceousupintorocks
representingthebeginningoftheCenozoic(theeraaftertheMesozoic).
○ThefossilrecordsuggeststhattherewasanabruptextinctionofmanyplantsandanimalsattheendoftheMesozoicera.
○FewfossilsoftheMesozoicerahavesurvivedintherocksthatmarktheendoftheCretaceous.
○FossilsfromtheCretaceousperiodoftheMesozoicuptothebeginningoftheCenozoicerahavebeenremovedfromthelayersofrockthatsurroundedthem.
○PlantsandanimalsfromtheMesozoicerawereunabletosurviveintheCenozoicera.
5:Sociologistsviewprimarygroupsasbridgesbetween
individualsandthelargersocietybecausetheytransmit,
mediate,andinterpretasociety'sculturalpatternsand
providethesenseofonenesssocriticalforsocialsolidarity.
○Sociologiststhinkthatculturalpatternsestablishconnectionsbetweentheindividualandthelargersociety.
○Sociologistsbelievethatindividualswithasenseofonenessbridgethegapbetweensocietyandprimarygroups.
○Sociologiststhinkprimarygroupscontributetosocialsolidaritybecausetheyhelpmaintainasociety'sculturalpatterns.
○Sociologistsbelievethattheculturalpatternsthatprovidesocialsolidarityariseasbridgesfromprimarygroups.
Glaciersmoveslowlyacrossthelandwithtremendous
energy,carvingintoeventhehardestrockformationsand
therebyreshapingthelandscapeastheyengulf,push,drag,
andfinallydepositrockdebrisinplacesfarfromitsoriginallocation.
eq\o\ac(○,As)
eq\o\ac(○,)
aglaciermoves,itleavesbehindrockformationsthathavebeenengulfed,pushed,anddraggedbytheglacier.
○Glaciersreshapethelandscapebycarvingintorockandtransportingtheresultingdebristodistantlocations.
○Glacierscarvethehardestrockformationswithgreatenergyandslowlyreshapethemintodebris.
○Thetremendousenergyofslowlymovingglacierstransportsandfinallydepositsrockdebrisintolargerockformations.
Thoughitmaybedifficulttoimaginefromalater
perspective,astrainofcriticalopinioninthe1920s
predictedthatsoundfilmwouldbeatechnicalnoveltythat
wouldsoonfadefromsight,justashadmanyprevious
attempts,datingwellbackbeforetheFirstWorldWar,tolinkimageswithrecordedsound.
eq\o\ac(○,It)
eq\o\ac(○,)
wasdifficultforsomecriticsinthe1920stoimaginewhytheideaofsoundfilmhadfadedfromsightwellbeforetheFirstWorldWar.
eq\o\ac(○,As)
eq\o\ac(○,)
surprisingasitseemstoday,somecriticsinthe1920sbelievedthatthenewattemptsatsoundfilmswouldfade
justasquicklyastheattemptsmadebeforetheFirstWorldWar.
○Thoughsomeearlycriticsthoughtthatsoundfilmwouldfade,itspopularityduringtheFirstWorldWarprovedthatitwasnotsimplyatechnicalnovelty.
○AlthoughsomecriticspredictedwellbeforetheFirstWorldWarthatsoundfilmwouldbeanimportant
technicalinnovation,itwasnotattempteduntilthe1920s.
Indeed,stabilityofthebiologicalclock'speriodisoneofits
majorfeatures,evenwhentheorganism'senvironmentis
subjectedtoconsiderablechangesinfactors,suchas
temperature,thatwouldbeexpectedtoaffectbiologicalactivitystrongly.
○Stability,afeatureofthebiologicalclock'speriod,
dependsonchangeablefactorssuchastemperature.
eq\o\ac(○,A)
eq\o\ac(○,)
majorfeatureofthebiologicalclockisthatitsperioddoesnotchangedespitesignificantchangesintheenvironment.
eq\o\ac(○,A)
eq\o\ac(○,)
factorsuchastemperatureisanimportantfeatureintheestablishmentofthebiologicalclock'speriod.
○B(yǎng)iologicalactivityisnotstronglyaffectedbychangesintemperature.
Inequalitiesofgenderhavealsoexistedinpastoralist
societies,buttheyseemtohavebeensoftenedbythe
absenceofsteephierarchiesofwealthinmost
communities,andalsobytherequirementthatwomen
acquiremostoftheskillsofmen,including,often,theirmilitaryskills.
○Despitethefactthatwealthisrelativelyevenlydistributedinpastoralsocieties,genderinequalitystill
existsbecauseonlymencanacquiremilitaryskillsandsocialstatus.
○Inequalitiesofgenderexistedinpastoralistsocietiesuntilmostcommunitiesbegantorequirewomento
possessthesameskillsasmenandtakepartinthemilitary.
○Inequalitiesofgenderinpastoralistsocietieswerecausedbysteephierarchiesofwealthanddifferencesinmilitarytrainingbetweenmenandwomen.
eq\o\ac(○,In)
eq\o\ac(○,)
pastoralsocieties,genderinequalityiscomparativelymildbecausewealthisrelativelyevenly
distributedandwomenhavetolearnmostofthesameskillsthatmendo.
Contrarytotheargumentsofsomethatmuchofthe
pacificwassettledbyPolynesiansaccidentallymarooned
afterbeinglostandadrift,itseemsreasonablethatthis
featwasaccomplishedbydeliberatecolonization
expeditionsthatsetoutfullystockedwithfoodanddomesticatedplantsandanimals.
○SomepeoplehavearguedthatthePacificwassettledbytraderswhobecamelostwhiletransportingdomesticatedplantsandanimals.
○TheoriginalPolynesiansettlerswereprobablymaroonedontheislands,buttheymayhavebeenjoinedlaterbycarefullypreparedcolonizationexpeditions.
○Althoughitseemsreasonabletobelievethatcolonizationexpeditionswouldsetoutfullystocked,thisiscontradictedbymuchoftheevidence.
○ThesettlementofthePacificislandswasprobablyintentionalandwellplannedratherthanaccidentalassomepeoplehaveproposed.
Physiologicalimmaturitymaybepartofwhyinfantsand
toddlersdonotformextremelyenduringmemories,even
whentheyhearstoriesthatpromotesuchrememberinginpreschoolers.
○Incompletephysiologicaldevelopmentmaypartlyexplainwhyhearingstoriesdoesnotimprovelong-termmemoryininfantsandtoddlers.
○Onereasonwhypreschoolersfailtocomprehendthestoriestheyhearisthattheyarephysiologicallyimmature.
○Giventhechancetohearstories,infantsandtoddlersmayformenduringmemoriesdespitephysiologicalimmaturity.
○Physiologicallymaturechildrenseemtohavenodifficultyrememberingstoriestheyheardaspreschoolers.
Butdetractorsmaintainthattheterracescouldalsohave
beencreatedbygeologicalactivity,perhapsrelatedtothe
geologicforcesthatdepressedtheNorthernHemisphere
farbelowthelevelofthesouth,inwhichcasetheyhavenothingwhatevertodowithMartianwater.
○B(yǎng)utdetractorsarguethatgeologicalactivitymaybe
responsibleforthewaterassociatedwiththeterraces.
○B(yǎng)utdetractorsarguethattheterracesmayhavebeenformedbygeologicalactivityratherthanbythepresenceofwater.
○B(yǎng)utdetractorsarguethattheterracesmayberelatedtogeologicalforcesintheNorthernHemisphereofMars,ratherthantoMartianwaterinthesouth.
○B(yǎng)utdetractorsarguethatgeologicalforcesdepressedtheNorthernHemispheresofarbelowthelevelofthesouth
thattheterracescouldnothavebeenformedbywater.
Hethensetupexperimentswithcagedstarlingsandfound
thattheirorientationwas,infact,inthepropermigratory
directionexceptwhentheskywasovercast,atwhichtimes
therewasnocleardirectiontotheirrestlessmovements.
○Experimentsrevealedthatcagedstarlingsdisplayedalackofdirectionalsenseandrestlessmovements.
○Experimentsrevealedthatcagedstarlingswereunabletoorientthemselvesinthedirectionoftheirnormalmigratoryroute.
○Experimentsrevealedthattherestlessmovementofcagedstarlingshadnocleardirection.
○Experimentsrevealedthatcagedstarlings'orientationwasaccurateunlesstheweatherwasovercast.
Thereappeartobemanyunexploredmattersaboutthemotivationtoreflect–forexample,thevalueofexternally
motivatedreflectionasopposedtothatofteacherswhomightreflectbyhabit.
○Thepracticeofbeingreflectiveisnolongersimplyahabitamongteachersbutsomethingthatisexternallymotivated.
○Mostteachersneedtoexplorewaystoformthehabitofreflectionevenwhennoexternalmotivationexists.
○Manyaspectsofthemotivationtoreflecthavenotbeenstudied,includingthecomparativebenefitsofexternallymotivatedandhabitualreflectionamongteachers.
○Therehasnotbeenenoughexplorationofwhyteacherspracticereflectionasahabitwithorwithoutexternalmotivation.
Inorderforthestructuretoachievethesizeandstrength
necessarytomeetitspurpose,architectureemploys
methodsofsupportthat,becausetheyarebasedon
physicallaws,havechangedlittlesincepeoplefirstdiscoveredthem—evenwh
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