海洋污染英文演講稿(文件)
【正文】 e marine environment and ecological Third, medical sewage carrying pathogens, domestic sewage and industrial wastewater Pathogens, infectious agents, including pathogens, disease eggs, viruses. Pathogens can survive in the water can enter the body through the food chain, which make you sick fourth,Industrial wastewater containing anic matter and nutrients, sewage. Wastewater containing anic and nutrient substances that contain protein, fat, amino acids, carbohydrates and other ozonedepleting anic matter and nitrogen, phosphorus and other nutrients in wastewater Fifth, the heated waste Heated waste water emissions from thermal power plants, nuclear power plants, petrochemical, nonferrous metal smelting and other industrial processes in hightemperature cooling water, ash water temperature is highe
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