PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • What is formed when gases such as carbon dioxide, sulphur dioxide and nitrogen oxides mix with rain?AerosionBacid rainClichens
http://www.w3.org/ns/prov#wasQuotedFrom
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