About: http://webisa.webdatacommons.org/52255253

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The professor pointed out that proxies, such as tree rings, ice cores, and lake sediment provide researchers with solid illustrations of these variations.
http://www.w3.org/ns/prov#wasQuotedFrom	wellsdigest.com