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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
by intentional dumping
B
from uranium meteors
C
none of the answers are correct
D
from nuclear accidents
3) despite the 1975 and 1983 bans on dumping radioactive material at sea, they remain a concern because
A
all of the answers are correct
B
nuclear powered vessels continue to dump their waste
C
the containers the waste was dumped in are leaking
D
so much was dumped prior to the bans
4) so far the radioactive material
A
has caused extensive genetic damage to fish
B
has caused one giant lizard named Godzilla
C
has had no noted widespread effects on marine life
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, pathogens, nutrients and toxins
B
removes solids, pathogens and nutrients
C
removes solids
D
removes solids and pathogens
8) dumping sludge causes environment concerns including
A
eutrophication
B
none of the answers are correct
C
counter current backflow
D
pathogen resurgence
9) eutrophication harms marine ecosystems by
A
draining rivers of their nutrients
B
causing HABs (harmful algal blooms)
C
causing fish to grow too big
D
raising oxygen levels too high
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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