<http://webisa.webdatacommons.org/77461821> <http://www.w3.org/ns/prov#wasQuotedFrom> <tropicalfishkeeping.com> . <http://webisa.webdatacommons.org/77461821> <http://www.w3.org/ns/prov#value> "Carbon is a macro-nutrient for plants, and all aquatic plants normally assimilate it as CO2." . <http://webisa.webdatacommons.org/prov/122654738> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/77461821> . <http://webisa.webdatacommons.org/77461821> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> .