Water Pollution
Quiz by Samantha Lynch
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11 questions
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- Q1Which is true about leach fields?They are used to filter septageThey are used to remove sludgeThe are part of tertiary treatmentThey result from sewage dumping30s
- Q2Which is true about arsenic?It's found in rainwaterIt's discovered by health effectsIt's found naturally in groundwaterIt's cheap to remove from water30s
- Q3Which is not true about acid deposition?Is lethal to aquatic organismsIt results from miningIs treated with limestoneIs due to burning of coal30s
- Q4Which is true about mercury?It damages the immune systemIt's harmless of methylmercuryWe are exposed through shellfishIt's most concentrated in herbivores30s
- Q5Which hazardous material is known to cause cancer?DDTleadmercuryPCBs30s
- Q6What is true about solid waste?Is rarely toxic to humansIt includes coal-burning productsIt's only a problem on beachesIt sinks to the ocean floor30s
- Q7What is an effect of water sedimentation?It increases photosynthesisIt decreases oxygen solubilityIt clogs fish gillsIt decreases nutrients30s
- Q8Thermal pollution is...not regulated in the U.S.reduced by cooling towersrarely lethalonly a problem in the winter30s
- Q9What does tertiary treatment of wastewater do?reduces sedimentremoves heavy metalsreduces eutrophicationremoves solid waste30s
- Q10Where does the water go after it leaves the septic tank?a body of waterthe leachfieldback into the housewastewater treatment plant30s
- Q11What happens to the solid waste that's removed from a septic tank?Taken to a fertilizer plantJust tossed in the backyardTaken to wastewater treatment plantDisposed in a landfill30s