This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Arsenico Argentina. Arsenic presence in underground water of Argentina data from national studies and the involved provinces Presencia de arsnico en aguas subterrneas de Argentina sugn estudios nacionales de las provincias involucradas Prsence d'arsenic dans les eaux souterraines d'Argentine selon les tudes nationales et des provinces