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      Displaying 2 resources
      • Thumb image for Artistic LicenseResource Type: Website / HyperLink

        Artistic License

        Grades: No grades selected.
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        History of Migratory Hunting stamps, popularly known as "duck stamps.” Includes information on the Federal Duck Stamp program f...
        Contributor: Smithsonian Education
        Views: 0Favorites: 0
      • Thumb image for DesertificationResource Type: Website / HyperLink

        Desertification

        Grades: 9 to 12
        Subjects: Physics, Ecology & Ecosystems, Earth & Space Science, Life Sciences and 4 additional..
        Desertification, the degradation of formerly productive land into desert, is a complex process. It involves multiple causes, and...
        Contributor: NASA Earth and Space Science Education Collection (NSDL Collection)
        Views: 0Favorites: 0