Author Question: An Air Quality Index of 50 indicates that the air quality is A) good. B) unhealthy for sensitive ... (Read 249 times)

mspears3

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An Air Quality Index of 50 indicates that the air quality is
 
  A) good.
  B) unhealthy for sensitive people.
  C) unhealthy for everyone.
  D) hazardous.

Question 2

Which of the six major outdoor air pollutants is a metallic element that is also a significant concern indoors?
 
  A) dioxin
  B) formaldehyde
  C) lead
  D) sulfur



lauravaras

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Answer to Question 1

Answer: A

Answer to Question 2

Answer: C



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