Assertion: arsenic's form | /r/CreatedBy | biological activity
Facets:
value: in surface waters
type: LOCATION
Source sentences:
text: [As(V)]. Organic forms of arsenic are produced by biological activity, mostly in surface waters, but are rarely quantitatively important.
text: [As(V)]. Organic forms of arsenic are produced by biological activity, mostly in surface waters, but are rarely quantitatively important.