The correct options are
B Arsenic
C Lead
Due to the dumping of waste containing toxic chemicals, water bodies, aquatic life, and marine life get severely affected.
Moreover, the presence of toxic metals like arsenic, cadmium, copper, lead, mercury, and nickel in the water due to waste accumulation, would reduce the growth of fish and diminish its survival ability, which may result in the extinction of fish population in the water body.