Harmful algal booms appear to be linked to unusually high levels of nutrient pollution. Which of the following is the most likely source of nutrient pollution in a river drainage system associated with an algal bloom? 

(a) a coal-fired power plant 

(b) a nuclear power plant 

(c) chicken and hog farms 

(d) a large shopping mall

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1 Answers

(c) chicken and hog farms 

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