Health officials measure ____ to evaluate if disease agents are present.
A) byssal thread density
B) changes in species composition
C) coliform bacteria
D) the oyster index
E) water density
Correct Answer:
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Q18: Most coastal pollution comes from
A) oil spills
Q19: Ocean dumping began
A) early in human history.
B)
Q20: Ocean pollution includes all except
A) toxins.
B) heavy
Q21: In waters of low nutrients, eutrophication can
Q22: Plastics can best be described as being:
A)
Q24: Plastic pollution is considered by many scientists
Q25: Sewage treatment is a way to prevent
Q26: What type of organism can concentrate microbes?
A)
Q27: Treated sewage released into the ocean adds
Q28: The largest oil spill in the United
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