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Wastewater treatment. Litho- and Atmosphere. Water. Water Pollution. Potpourri . 100. 100. 100. 100. 100. 200. 200. 200. 200. 200. 300. 300. 300. 300. 300. 400. 400. 400. 400. 400. 500. 500. 500. 500. 500. Wastewater treatment - 100. - PowerPoint PPT PresentationTRANSCRIPT
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Wastewatertreatment
Litho- and Atmosphere Water Water
Pollution Potpourri
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Wastewater treatment - 100
Storm water
Waste water treatment plants treat sewage water along with this type of
water.
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Wastewater treatment - 200
Physical
Primary treatment in waste water treatment is this type of process
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Wastewater treatment - 300
Biological
Secondary treatment in waste water treatment is this type of process
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Wastewater treatment - 400
Dissolved organic matter
The main purpose of the aeration tank in secondary treatment is to remove this type of pollution
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Wastewater treatment - 500
UV rays, ozone gas
Chlorine has traditionally been used as a final disinfectant. However
many cities are now starting to use other methods. Name one
example.
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Litho and Atmosphere - 100
Troposphere
The layer of the atmosphere where weather occurs.
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Litho and Atmosphere - 200
Stratosphere
The layer of the atmosphere that is important in blocking the sun’s UV radiation.
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Litho and Atmosphere - 300
CFC’s (chloroflourocarbons)
This class of compounds once used in refrigerants have the ability to breakdown “good” ozone
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Litho and Atmosphere - 400
Photochemical smog
Produced when several pollutantsfrom automobile exhaust are
acted on by sunlight.
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Litho and Atmosphere - 500
Kyoto Protocol
International protocol that calls for a reduction of CO2 levels to below 1990 levels. (The US has decided to not sign on to this agreement)
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Water - 100
2.5 – 3.0 %
What percentage of the water on Earth is freshwater (liquid and solid)?
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Water - 200
Agriculture (irrigation)
This activity uses the most water worldwide.
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Water - 300
Capillary water
Water held in the soil and taken up by the roots of plants
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Water - 400
Diverted to irrigate cotton fields
This is the main reason why the Aral Sea has decreased by 60%
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Water - 500
Land Subsidence
The depletion of groundwater from aquifers and the building of levees preventing seasonal flooding can result in this problem.
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Water Pollution - 100
Mercury
Build up of this pollutant along a food chain is what leads to Minimata disease which is also known as “dancing cat” disease
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Water Pollution - 200
Erin Brokovich
She fought for the people of Hinkley, CA against PG&E whose use of hexavalent chromium contaminated the groundwater in the town
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Water Pollution - 300
Biomagnification
The increase in concentration of a pollutant from one link in a food chain to another
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Water Pollution - 400
PCBs
These man-made chemicals which were once used in materials for making insulation, coolants, and lubricants in transformers were found to harm wildlife in Puget Sound and other areas
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Water Pollution - 500
DAILY DOUBLE !!!
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Potpourri - 100
O2 - oxygen
This gas/molecule is needed and used up during the process of cell respiration and decomposition
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Potpourri - 200
Point-source pollution
Water pollution that is easy to identify the source, such as a factory is defined as this type of pollution
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Potpourri - 300
Fecal coliform test
This is a common water quality test that suggests that water is contaminated by animal waste
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Potpourri - 400
Ogalalla aquifer
This is the largest aquifer in the US
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Potpourri - 500
The Three Gorges Dam in China
This is the largest dam in the world
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Earth and Geo - 500Double jeopardy This activity is the predominant cause of thermal pollution in surface waters
Water Pollution - 500
Power (electrical) plants