Assertion: heavy metal | /r/HasProperty | cd
Facets:
Source sentences:
text: Another study  examined the effect of 6 heavy metals (Cd, Cr, Co, Mn, and Pb) on the growth of maize.
text: Heavy metals most commonly found in biosolids are Pb, Ni, Cd, Cr, Cu, and Zn, and the metal concentrations are governed by the nature and the intensity of the industrial activity, as well as the type of process employed during the biosolids treatment .