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admin | Get Rid Of Bacterial Infection | 27.07.2015
Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Water Pollution Chapters 18 Environmental Science: A Global Concern Advanced Placement Environmental Science GNHS. 6 billion humans, their machines, plants, animals The limited supply of fresh liquid water into which most water-destined pollutants are discharged The growing number of ‘technological pollutants’ released into the environment, i.e. Water Pollution Any chemical, biological and physical change in water quality that has a harmful effect on living organisms or makes it unusable for agriculture The massive quantity of pollutants produced by > 6 billion humans, their machines, plants, animals The limited supply of fresh liquid water into which most water-destined pollutants are discharged The growing number of ‘technological pollutants’ released into the environment, i.e.
Biological Oxygen Demand (BOD) BOD: Oxygen is removed from water when organic matter is consumed by bacteria. Indicator Tests Total coliform [Endo agar] Fecal coliform [m-FC agar] Fecal streptococci [M-enterococcus] Prescott et al., Microbiology Barbara E.


Sources of Heavy Metals Natural –Redistributed by geologic and biologic cycles Industrial: Lead, cadmium, mercury Burning of fossil fuels Environmental pollution Heavy Metals by Dr. Whistleblower Lawless wanted to do a good job, so he started asking some pointed questions: –Why were liquid radioactive wastes being poured into shallow trenches, where they could leak into the soil and enter the surface waters?
Neither the service provider nor the domain owner maintain any relationship with the advertisers. Severely degraded by water pollution from 6 states Deposition of air pollutants Case Study: Chesapeake Bay Fig. People do not seem to build up any resistance and the disease can be reinfected over and over.
Bare soil easily washes into storm drains and streams, clouding the water and suffocating aquatic life.


In case of trademark issues please contact the domain owner directly (contact information can be found in whois). Sources of organic matter Natural inputs-- bogs, swamps, leaf fall, and vegetation aligning waterways.
Human inputs-- pulp and paper mills, meat-packing plants, food processing industries, and wastewater treatment plants.




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