The "dead zone" in the Gulf of Mexico is
A) due to oligotrophism.
B) the result of the toxicity of most nitrogenous compounds.
C) due to hypoxia from microbial activity.
D) due to point sources of pollution.
E) none of the above
Correct Answer:
Verified
Q7: Studies of the response of corals to
Q8: Climate models predict that
A) if we stabilize
Q9: Tropical species may be especially vulnerable to
Q10: Acid precipitation
A) has least effect in lakes
Q11: Which of the following is not true
Q13: Ozone-depleting substances (ODSs)
A) react more rapidly at
Q14: The concept of nonequilibrum ecology suggests
A) that
Q15: According to Aldo Leopold's land ethic,
A) humans
Q16: Which of the following was not an
Q17: Boreal vascular plants are
A) immune from the
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