About: http://webisa.webdatacommons.org/32864394

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	Even if a fast growing vegetation such as a tomato is purchased at a farmer???s market and you know they are free of herbicides and pesticides, how could you know if it???s free of heavy metals?
http://www.w3.org/ns/prov#wasQuotedFrom	pursuitofresearch.org