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Which of the following relationships respect the 3NF? 1. Species_Observati...
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Which of the following relationships respect the 3NF? 1. Species_Observations(Observation_ID, location, Date_YY_MM_DD)
2. Habitats(Region_ID, Species_ID, Observation, Location)
3. Conservation_Efforts(Effort_ID, Species_ID, Effort_Name, Species_Name, Organization, Budget)
4. Protected_Areas(Area_ID, Area_Name, Country, Country_Region, Species_Protected)
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