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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 258 times)

lidoalex

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on: Jul 12, 2018
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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Reply #1 on: Jul 12, 2018
Answer to Question 1

A

Answer to Question 2

A


lidoalex

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Reply 2 on: Jul 12, 2018
Gracias!

parshano

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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