Secondary treatment
A) Fails to remove dissolved nutrients
B) Removes dissolved nutrients by use of denitrifying bacteria
C) Can often remove metals such as copper
D) Is less effective than primary treatment in curtailing hypoxia
Correct Answer:
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Q10: Which of the following is known to
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Q12: Plastics are
A) Ingested by sea turtles
B) Found
Q13: The two largest marine oil accidents from
Q14: Plastics
A) Enter the ocean as large particles
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Q16: Eutrophication often results in
A) Hypoxia
B) Reduced primary
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Q19: Tertiary sewage treatment would involve
A) The removal
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