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Author Question: Air pollution is A) a form of photochemical smog. B) gaseous sulfur and phosphorus. C) a ... (Read 48 times)

waynest

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Air pollution is
 
  A) a form of photochemical smog.
  B) gaseous sulfur and phosphorus.
  C) a concentration of a trace substance at a level greater than occurs in average air.
  D) a concentration of a trace substance at a level greater than one percent.
  E) concentrated in tropical regions.

Question 2

Which of the following is a pollutant at the global scale?
 
  A) carbon dioxide
  B) carbon monoxide
  C) sulfur oxides
  D) particulates
  E) acid precipitation



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AaaA

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Answer to Question 1

Answer: C

Answer to Question 2

Answer: A




waynest

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Reply 2 on: Jul 14, 2018
Thanks for the timely response, appreciate it


scottmt

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Reply 3 on: Yesterday
Wow, this really help

 

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