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evelyn o bentley

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One of the areas in which the United States has been effective in reducing the environmental hazards over the past 50 years is:
 
  a. the elimination of pollution from mass transportation vehicles.
  b. the elimination of the effects of second-hand smoke.
  c. the reduction of childhood deaths due to poisoning..
  d. the elimination of respiratory infections such as bronchitis and pneumonia.

Question 2

Of great concern is the fact that 60 of American children ages 3 to 11:
 
  a. are exposed to second-hand smoke.
  b. live in an area with substandard air pollution.
  c. are victims of accidental poisoning.
  d. play with toys that may be harmful.


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blakeserpa

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evelyn o bentley

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Reply 2 on: Jun 20, 2018
Great answer, keep it coming :)


Liddy

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Reply 3 on: Yesterday
Gracias!

 

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