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Author Question: Which of the following characterizes the pesticide DDT and industrial chemicals such as PCBs? A) ... (Read 23 times)

jake

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on: Aug 22, 2018
Which of the following characterizes the pesticide DDT and industrial chemicals such as PCBs?
 
  A) Persistence in the environment
  B) Biologically active
  C) Relatively high toxicity
  D) Propensity to accumulate in food chains
  E) All of the above are correct.

Question 2

Two dominant organisms commonly found at mid-water levels of the rocky intertidal zone are ________.
 
  A) buckshot barnacles and rockweed
  B) fiddler crabs and Littorina
  C) goose-necked barnacles and mussels
  D) periwinkle snails and kelp
  E) sea anemones and hermit crabs


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ApricotDream

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Reply #1 on: Aug 22, 2018
Answer to Question 1

E

Answer to Question 2

C


jake

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Reply 2 on: Aug 22, 2018
:D TYSM

ktidd

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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