In addition, natural objects, the origin of the soil contamination could affect as well. In a natural arsenic is combined with copper ore, lead and zinc sulfide.
In addition, the natural object originating soil contamination could affect as well. The natural form of arsenic is associated with copper mineralization. , Lead and zinc sulfide.
In addition, the natural objects, the origins of the soil could affect the contamination. Which in natural form of arsenic to coexist with copper ore, lead and zinc sulfide .