PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Human activities, including fossil fuel combustion and intensive agriculture, have increased the availability of nitrogen in the environment, said Jake Beaulieu of the University of Notre Dame and the U.S. Environmental Protection Agency in Cincinnati, Ohio, and lead author of the paper published this week in the journal Proceedings of the National Academy of Sciences.???The finding is important
http://www.w3.org/ns/prov#wasQuotedFrom
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