Water Pollution — Unit test Answers

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21
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According to the United Nations, marine debris is possibly one of the most solvable pollution problems in the world.

A
T
B
F
22
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Which of the following best describes pollution discharged by cruise ships?

A
Cruise ships only discharge sewage and liquid wastes.
B
Cruise ships discharge sewage, solid, liquid, and air pollution.
C
It is illegal for cruise ships to discharge untreated sewage in the ocean.
D
Cruise ships do not discharge oil or petroleum waste.
23

Pollution from many nations contributes to the Great Pacific Garbage Patch.

A
T
B
F
24

It is best to say that marine debris _______.

A
is a hazard to marine animals
B
degrading ocean health
C
a pervasive, global pollution problem
D
all of the above
25

Surface runoff is an example of nonpoint source pollution.

A
T
B
F
26

Because they are manmade, fish farms are not considered fisheries.

A
T
B
F
27

Long line fishing, drift nets, and trawling all produce an insignificant amount of by-catch.

A
T
B
F
28

Which of the following is an impact of fishing on fisheries?

A
an increase of fishery health
B
an increase in fishery populations
C
the discovery of new fisheries
D
none of the above

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