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- 1. Multiple Choice
Type of aquatic ecosystem that was once viewed as wasteland and drained by the government
estuaries
coral reefs
open ocean
wetlands
- 2. Multiple Choice
Aquatic ecosystem that serves as a nursery for many species and suffers from pollution from city harbors like the Chesapeake Bay
estuaries
coral reefs
open ocean
wetlands
- 3. Multiple Choice
Requires maximum level of contaminants (MCLs) to meet safety regulations for community tap water supplies
Clean Water Act
Kyoto Protocol
Montreal Protocol
Safe Drinking Water Act
- 4. Multiple Choice
Policies to attain fishable and swimmable waters in the United States
Clean Water Act
Kyoto Protocol
Montreal Protocol
Safe Drinking Water Act
- 5. Multiple Choice
An area where there are cold waters, low oxygen levels, and bottom-dwelling organisms.
benthic zone
littoral zone
limnetic zone
photic zone
- 6. Multiple Choice
Which of the following is the best illustration of the 'Tragedy of the Commons?'
Agreements among western ranchers to jointly manage common grazing land
Depletion of fishing stocks in the North Atlantic
Removing fish from the ocean up to the maximum yield.
Using sustainable fishing techniques like a pole or spear.
- 7. Multiple Choice
The primary use for water in industry
aquaculture
cooling nuclear power plants
hydroponics
the food and drink industry
- 8. Multiple Choice
A family of five recently replaced its 7-gallon-per-minute showerheads with water-saving 3-gallon-per-minute showerheads. Each member of the family averages 10 minutes in the shower per day. How many fewer gallons of water will the family use each day with the new showerheads?
40 gallons per day
200 gallons per day
1,000 gallons per day
2,100 gallons per day
- 9. Multiple Choice
Presence of fecal coliform bacteria suggests that
a factory polluted the river
a nearby treatment plant added chlorine to the waste water
the water is safe for drinking
untreated animal waste contaminated the water
- 10. Multiple Choice
Which of the following describe the relationship between D.O. and B.O.D.?
When D.O. decreases, the B.O.D. decreases
When D.O. decreases, the B.O.D. increases
When B.O.D. decreases, the D.O. decreases
When B.O.D. increases, the D.O. decreases
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