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High levels of mercury contamination have entered the aquatic ecosystem primarily through:

a

Medications like vaccines which contain mercury and subsequently enter the drainage systems through human waste.

b

Emissions from coal burning power plants which then rain down on waterways.

c

Merurcury solutions which are used in plastic production and then disposed of through waste water.

d

Paper productions which uses mercury in a bleaching process to whiten the paper.

User Sean Liu
by
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1 Answer

3 votes

Answer:

The answer is B. Emissions from coal burning power plants which then rain down on waterways hopefully this helps!

User Jasper Kennis
by
7.7k points
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