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Mb 16
Test Description: V
Instructions: Answer all questions to get your test result.
1) it is sometimes better to leave an oil slick alone because its too expensive to clean up
A
false
B
true
2) radioactive materials primarily get into the oceans
A
by intentional dumping
B
from nuclear accidents
C
from uranium meteors
D
none of the answers are correct
3) despite the 1975 and 1983 bans on dumping radioactive material at sea, they remain a concern because
A
the containers the waste was dumped in are leaking
B
all of the answers are correct
C
so much was dumped prior to the bans
D
nuclear powered vessels continue to dump their waste
4) so far the radioactive material
A
has had no noted widespread effects on marine life
B
has caused extensive genetic damage to fish
C
has caused one giant lizard named Godzilla
5) the main environmental concern regarding lost munitions is
A
the detonation of unexploded bombs
B
the leakage of chemical weapons
6) __________ cause eutrophication
A
nutrients and fertilizers
B
HABs (harmful algal blooms)
C
thermal pollution
D
radiation
7) in sewage processing, level II treatment
A
removes solids
B
removes solids and pathogens
C
removes solids, pathogens and nutrients
D
removes solids, pathogens, nutrients and toxins
8) dumping sludge causes environment concerns including
A
none of the answers are correct
B
pathogen resurgence
C
eutrophication
D
counter current backflow
9) eutrophication harms marine ecosystems by
A
raising oxygen levels too high
B
draining rivers of their nutrients
C
causing HABs (harmful algal blooms)
D
causing fish to grow too big
10) livestock sewage concerns are the same as human sewage concerns, although sometimes on a larger scale
A
true
B
false
*select an answer for all questions
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