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Author Question: Some plastics accumulate poisons such as DDT and PCBs to levels as high as a ________ times their ... (Read 135 times)

panfilo

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on: Aug 22, 2018
Some plastics accumulate poisons such as DDT and PCBs to levels as high as a ________ times their concentrations in seawater.
 
  A) fifty
  B) one hundred
  C) one thousand
  D) one million
  E) one billion

Question 2

Two dominant organisms of the rocky shore found high on the rocks of the intertidal zone are ________.
 
  A) buckshot barnacles and limpets
  B) goose barnacles and mussels
  C) keyhole limpets and Irish moss
  D) periwinkle snails and kelp
  E) sea anemones and hermit crabs


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JCABRERA33

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

D

Answer to Question 2

A


panfilo

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Reply 2 on: Aug 22, 2018
YES! Correct, THANKS for helping me on my review

softEldritch

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Reply 3 on: Yesterday
Gracias!

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