Identify which one of the following water pollutant is Carcinogenic?
Correct answer: A. Polycyclic hydrocarbons
- A. Polycyclic hydrocarbons
- B. Mineral acids
- C. D.D.T
- D. Nitrate fertilizers
Explanation
Polycyclic aromatic hydrocarbons (PAHs) are a group of organic compounds that are formed during incomplete combustion of organic matter, such as fossil fuels, wood, and tobacco. Many PAHs are known or suspected carcinogens, meaning they have the potential to cause cancer in humans. Explanation will be added soon.
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About Water Pollution and Treatment
Water pollution covers biological, chemical and physical contaminants, including pathogens, toxic metals, detergents and excess nutrients. Treatment involves screening, sedimentation, coagulation, filtration, disinfection and wastewater processing, while biochemical oxygen demand, chemical oxygen demand, eutrophication and dissolved oxygen indicate pollution levels.
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