<http://webisa.webdatacommons.org/prov/123506435>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/352954713> .
<http://webisa.webdatacommons.org/352954713>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<uc.edu> .
<http://webisa.webdatacommons.org/352954713>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/363828174>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/352954713> .
<http://webisa.webdatacommons.org/352954713>	<http://www.w3.org/ns/prov#value>	"On the other hand, the sluggish circulation associated with epicontinental seas may have inhibited the spread of the waterborne effects of such events as volcanic eruptions and asteroid impacts, which may have been more effective killing agents in open oceans." .