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Author Question: The most important source of airborne pollutants is ________. Fill in the blank(s) with the ... (Read 78 times)

Jipu 123

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The most important source of airborne pollutants is ________.
 
  Fill in the blank(s) with the appropriate word(s).

Question 2

In the United States, acid precipitation is least likely to be related to compounds of
 
  A) nitrogen.
  B) sulfur.
  C) carbon.
  D) oxygen.



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moormoney

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Answer to Question 1

Answer: human activity

Answer to Question 2

Answer: C





 

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