About: http://webisa.webdatacommons.org/194635522

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	However, mediums such as temperature and pH are often dependent variables difficult to control in some environments such as the human body.
http://www.w3.org/ns/prov#wasQuotedFrom	science.gov