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Author Question: Which of the following is a secondary air pollutant? A) chlorofluorocarbons B) carbon monoxide ... (Read 60 times)

Starlight

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Which of the following is a secondary air pollutant?
 
  A) chlorofluorocarbons
  B) carbon monoxide
  C) ozone
  D) sulfur dioxide
  E) mercury

Question 2

According to the greenhouse gas emissions data collected by Duke University, the year that Duke's rate of emissions increased the most dramatically was ________.
 
  A) 2006-2007 B) 1990-1991 C) 1995-1996 D) 2009-2010 E) 1999-2000


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ynlevi

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Starlight

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Reply 2 on: Jul 14, 2018
Excellent


dawsa925

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Reply 3 on: Yesterday
Wow, this really help

 

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