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Author Question: The danger of carcinogens lies in their effect on A) oxygen-carrying red blood cells. B) the ... (Read 67 times)

casperchen82

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on: Jul 16, 2018
The danger of carcinogens lies in their effect on
 
  A) oxygen-carrying red blood cells.
  B) the ability of the lining of the lungs to absorb oxygen.
  C) DNA molecules inside cells.
  D) the ability to absorb nutrients in the wall of the intestines.

Question 2

Many polluted ecosystems, such as those suffering from eutrophication, will recover if humans stop polluting them. This illustrates
 
  A) loss of ecosystem capital.
  B) the essential role of keystone species in ecosystems.
  C) secondary succession.
  D) the natural resilience of ecosystems.


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aham8f

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Reply #1 on: Jul 16, 2018
Answer to Question 1

C

Answer to Question 2

D


casperchen82

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Reply 2 on: Jul 16, 2018
Wow, this really help

parshano

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Reply 3 on: Yesterday
:D TYSM

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