TheWesternCouncilforTravelResearchin_______employedthetermvisitor.
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Awell-knownexampleofthelargescaledestructionofanecosystemthroughvegetationremovaltoaccommodatetouristfacilitiesisthecaseofthe_______.
Scientistsdoubtwhetherit’s________toregulateone’sbiologicalclockbydrinking.
Motivationandpersonalitymay________thevaryingdegreesofsuccessinone’scareer.