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Author Question: The most important source of air pollutants is a. oil refining. b. manufacturers of paper ... (Read 20 times)

Kthamas

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on: Aug 4, 2018
The most important source of air pollutants is
 
  a. oil refining.
  b. manufacturers of paper products. c. the electrical power companies. d. motor vehicles.

Question 2

The most common way to measure water pollution is the
 
  a. use of the hydro-toxic barometer.
  b. use of the safe-water-interval calculator.
  c. use of biochemical oxygen demand measurements. d. water barometer.


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mohan

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Reply #1 on: Aug 4, 2018
Answer to Question 1

d

Answer to Question 2

c


Kthamas

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Reply 2 on: Aug 4, 2018
Gracias!

kusterl

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

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