PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The challenge facing the scientists working on the Fig Tree Chert was to prove the chemicals they found were originally in living organisms.Proof of Organic Remains -The amino acids they found in the chert are found in life-forms today, and glycine was the most abundant, as expected, because glycine is chemically stable and some other amino acids break down to form glycine over time.
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  • sciencemall-usa.com