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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
true
B
false
2) radioactive materials primarily get into the oceans
A
from nuclear accidents
B
none of the answers are correct
C
from uranium meteors
D
by intentional dumping
3) despite the 1975 and 1983 bans on dumping radioactive material at sea, they remain a concern because
A
so much was dumped prior to the bans
B
all of the answers are correct
C
nuclear powered vessels continue to dump their waste
D
the containers the waste was dumped in are leaking
4) so far the radioactive material
A
has caused extensive genetic damage to fish
B
has had no noted widespread effects on marine life
C
has caused one giant lizard named Godzilla
5) the main environmental concern regarding lost munitions is
A
the leakage of chemical weapons
B
the detonation of unexploded bombs
6) __________ cause eutrophication
A
thermal pollution
B
HABs (harmful algal blooms)
C
nutrients and fertilizers
D
radiation
7) in sewage processing, level II treatment
A
removes solids, pathogens, nutrients and toxins
B
removes solids and pathogens
C
removes solids, pathogens and nutrients
D
removes solids
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
draining rivers of their nutrients
B
causing HABs (harmful algal blooms)
C
raising oxygen levels too high
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
false
B
true
*select an answer for all questions
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