Eutrophication is a type of pollution caused by:
A) Lead.
B) DDT.
C) Mercury.
D) Nitrogen.
E) PCB's.
Correct Answer:
Verified
Q8: The problem of hypoxic,or "dead" zones,in the
Q9: An anthropogenic impact is one caused by:
A)Physical
Q10: The most harmful oil spills in terms
Q11: After oil spills,what type of marine animals
Q12: The two most persistent sources of oil
Q14: Chlorinated hydrocarbons are found most commonly in
Q15: Persistent chemicals such as pesticides are particularly
Q16: A substance that is biodegradable:
A)Evaporates very slowly.
B)Forms
Q17: Which of the following is not an
Q18: Trawling is particularly destructive to:
A)Soft bottom communities.
B)Coral
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