APES Water Pollution Word Scramble
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Question | Answer |
What organisms would probably be found in the area marked 3 and higher? | mayfly and stonefly larvae |
What organisms would probably be found in the area between 1 and 2? | gar, blackfly and midge larvae |
When natural waters are overload with plant nutrients, such as nitrate and phosphate ions, they become | eutrophic |
Cultural eutrophicatiion results from | human activity |
_____ sources of water pollution are relatively easy to monitor and regulate while _______ sources of water pollution are difficult to monitor and cleanup. | point; nonpoint |
Coliform bacteria populations are routinely monitored in drinking water supplies, swimming pools, and at beaches because these bacteria | indicate the presence of feces in water |
Dioxins, pesticides, and polychlorinated biphenyls are all types of | toxic organic compounds |
The range of tolerance for temperature in an aquatic organism is likely to be _____ the tolerance range of a terrestrial organism. | less than |
in order to avoid producing thermal plumes, power plants often | increase the efficiency of their energy use |
The main reason that surface water pollution has largely decreased in the United States since 1950 is | the Clean Water Act |
In 1998, a change in the approach to water quality was initiated by _____ with an emphasis on _____ | the EPA; watershed management |
Feedlots are not a major cause of ____ in water | oxygen |
All of the following are examples of natural processes that are accelerated by human activities EXCEPT | burning of fossil fuels |
Aquifers are especially susceptible to contamination in all of these places EXCEPT | if they in are deep |
The following statements explain why contamination of aquifers is dangerous. WHich of the statements is false? | Pollutantsare extremely stable once they contaminate an aquifer |
Municipal sewage can be an excellent source of ______ that are otherwise expensive to mine | useful metals |
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danat214
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