Multiple Choice
DDT
A) Has proven to have no effect on insects
B) Was the cause of major declines in many sea bird species
C) Affects insects but has no effect on marine crustaceans
D) Decomposes very rapidly in the environment to a harmless residue
Correct Answer:
Verified
Correct Answer:
Verified
Q4: The concentration of PCBs in a fish's
Q5: Oil is especially toxic when<br>A) It has
Q6: Secondary treatment<br>A) Fails to remove dissolved nutrients<br>B)
Q7: PCBs and PAHs<br>A) Disrupt the endocrine cycles
Q8: Which of the following is the most
Q10: Which of the following is known to
Q11: PCBs originate from<br>A) Acid rain<br>B) Degradation of
Q12: Lead derives from<br>A) Urban run-off<br>B) Sewage wastewater<br>C)
Q13: The greenhouse effect of the earth's atmosphere
Q14: An example of a point source is<br>A)