Multiple Choice
What are the main sources of lead,mercury and arsenic water pollutants?
A) electric power plants
B) unlined landfills,household chemicals,mining refuse and industrial discharges
C) sewage and inorganic fertilizers
D) runoff from streets and parking lots
E) land erosion from farms that have used chemical insecticides
Correct Answer:
Verified
Correct Answer:
Verified
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