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Author Question: According to the AQI (Air Quality Index), which of the following values are in the safe range? A) ... (Read 262 times)

lidoalex

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According to the AQI (Air Quality Index), which of the following values are in the safe range?
 
  A) 50
  B) 100
  C) 150
  D) 200

Question 2

The two types of air pollutants are naturally occurring and
 
  A) anthropogenic.
  B) industrial.
  C) carcinogenic.
  D) gaseous.



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blazinlyss

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Answer to Question 1

A

Answer to Question 2

A




lidoalex

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Reply 2 on: Jul 12, 2018
:D TYSM


Liamb2179

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Reply 3 on: Yesterday
Great answer, keep it coming :)

 

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