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OpenStudy (anonymous):

Since 1915, chemical fertilizer has been mass produced for farming. Which of the following is the main water pollution problem caused by chemical fertilizer?

OpenStudy (anonymous):

increased carbon monoxide radioactive substances in the water increased nitrate and phosphate levels higher levels of bacteria, viruses and protozoa

OpenStudy (cwrw238):

third option

OpenStudy (midhun.madhu1987):

C

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