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Multiple Choice



 This activity contains 11 questions.

Question 1
1
Open Hint for Question 1 in a new window		 It is important to distinguish between point source and nonpoint source pollution because point source pollution is much easier to control. Which of the following is an example of nonpoint source pollution?
 
End of Question 1


Question 2
2
Open Hint for Question 2 in a new window		 In which of the following locations is thermal pollution the biggest problem?
 
End of Question 2


Question 3
3
Open Hint for Question 3 in a new window		 Primary sewage treatment removes what percentage of the biochemical oxygen demand (BOD) from domestic sewage?
 
End of Question 3


Question 4
4
Open Hint for Question 4 in a new window		 Some of the oil pollution of our oceans has always occurred naturally through natural leaks in the ocean floor. However, this source accounts for only about 9% of the oil that reaches our oceans. Which of the following is the primary source of oil pollution in the oceans?
 
End of Question 4


Question 5
5
Open Hint for Question 5 in a new window		 Which of the following pathogenic microorganisms is unlikely to be contracted through water?
 
End of Question 5


Question 6
6
Open Hint for Question 6 in a new window		 What type of pollution-controlling device is pictured here?
pollution-controlling device photo
Photo courtesy of USDA NRCS.
 
End of Question 6


Question 7
7
Open Hint for Question 7 in a new window		 At what stage in the wastewater treatment procedure would nutrients such as nitrogen and phosphorus be removed in a secondary treatment facility?
 
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Question 8
8
Open Hint for Question 8 in a new window		 Which U.S. law primarily regulates the quality of tap water in your home?
 
End of Question 8


Question 9
9
Open Hint for Question 9 in a new window		 Based on the map in Figure 11.33, which country would likely be a great fishing nation?
Figure 11_33
 
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Question 10
10
Open Hint for Question 10 in a new window		 What pollutant has only recently (in the past 10 years) been discovered in many inland waters of the developed nations?
 
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Question 11
11
Open Hint for Question 11 in a new window		 Match pollutant with pollution type.
Using the pull-down menus, match each item in the left column to the corresponding item in the right column.
A thermal pollution
B biochemical oxygen demand (BOD)
C eutrophication
D heavy metal pollution
[hint]
[hint]
[hint]
[hint]
End of Question 11


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