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- Which water pollutant is associated with the formation of "black mayflies," which are biological indicator of pollution?Option: 1 Arsenic</
Which water pollutant is associated with the formation of "black mayflies," which are biological indicator of pollution?
Option: 1
Arsenic
Option: 2
Mercury
Option: 3
Cadmium
Option: 4
Zinc
Answers (1)
Mercury pollution is associated with the formation of "black mayflies," a phenomenon where mayflies take on a dark colour due to the presence of mercury in their bodies.
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