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<http://webisa.webdatacommons.org/442493555>	<http://www.w3.org/ns/prov#value>	"Determining pH pH is not constant in soil or water, but varies on a seasonal or even daily basis due to factors such as rainfall, biological growth within the soil, and temperature changes." .
<http://webisa.webdatacommons.org/442493555>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<kids.net.au> .
<http://webisa.webdatacommons.org/442493555>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .