<?xml version="1.0" encoding="utf-8"?>
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   xmlns:dc="http://purl.org/dc/elements/1.1/"
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   xmlns:skos="http://www.w3.org/2004/02/skos/core#"
>
  <rdf:Description rdf:about="http://vocabulary.odm2.org/variablename">
    <rdf:type rdf:resource="http://www.w3.org/2004/02/skos/core#ConceptScheme"/>
    <dc:title>ODM2 Variable Name Controlled Vocabulary</dc:title>
    <dc:creator>ODM2 Working Group</dc:creator>
    <dc:description>A vocabulary for describing the name of Variables.</dc:description>
  </rdf:Description>
  <rdf:Description rdf:about="http://vocabulary.odm2.org/variablename/arsenic">
    <rdf:type rdf:resource="http://www.w3.org/2004/02/skos/core#Concept"/>
    <skos:inScheme rdf:resource="http://vocabulary.odm2.org/variablename"/>
    <skos:prefLabel>Arsenic</skos:prefLabel>
    <skos:definition>Arsenic is a chemical element with symbol As and atomic number 33. Arsenic occurs in many minerals, usually in combination with sulfur and metals, but also as a pure elemental crystal. Arsenic is a metalloid. It has various allotropes, but only the gray form, which has a metallic appearance, is important to industry.</skos:definition>
    <skos:historyNote>Wikipedia</skos:historyNote>
    <skos:exactMatch>https://en.wikipedia.org/wiki/Arsenic</skos:exactMatch>
    <skos:note>Added to support Critical Zone Observatory (CZO) data use cases. </skos:note>
  </rdf:Description>
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