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10 questions
The principal source of infectious waste material in water is
industrial waste.
surface runoff.
human feces.
agricultural pesticides.
Examples of point sources of water pollution include
runoff from farm fields.
a sewage outfall from a city sewer plant.
runoff from parking lots.
The Cyahoga river is notable because
it is polluted with selenium which led to the death of millions of birds.
it is routinely flooded with untreated sewage from the city of Cleveland.
it caught fire.
it is an Endangered Species Act success story.
_________ sources of water pollution are relatively easy to monitor and regulate, while _____________ sources of water pollution are difficult to monitor and clean up.
Domestic; industrial
Primary; tertiary pollutant
Point; nonpoint
Nonpoint; point
The discharge from a nonpoint source of pollution is
Usually constant throughout the year
Generally easier to regulate than a point source
Usually less polluting than a point source
Highly seasonal in quantity
____________ is to a point source of water pollution as _____________ is to a nonpoint source of water pollution.
Golf course runoff; atmospheric deposition
Power plant effluent; golf course runoff
Atmospheric deposition; golf course runoff
Power plant effluent; an underground coal mine drain
Factories, sewage treatment plants, and oil wells are __________ sources of water pollution.
Point
Primary
Nonpoint
Secondary
Atmospheric deposition of contaminants is an excellent example of
The properties of water that allow it to disperse contaminants
Nonpoint pollution
A point source of pollution
The relative ease in determining sources of contaminants
Coliform bacteria populations are routinely monitored in drinking water supplies, swimming pools, and at beaches because these bacteria
Are especially toxic to animals
May mutate into severely pathogenic strains
Usually live in pesticide-contaminated water
Indicate the presence of feces in water
When natural waters are overloaded with plant nutrients such as nitrate and phosphate ions, they become
Oligotrophic
Eutrophic
Metatrophic
Dystrophic
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