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Author Question: Identify a source of air pollution. A) photosynthesis B) ozonolysis C) earthquakes D) ... (Read 26 times)

chandani

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on: Aug 27, 2018
Identify a source of air pollution.
 
  A) photosynthesis
  B) ozonolysis
  C) earthquakes
  D) wildfires

Question 2

Carbon is almost always
 
  A) monovalent.
  B) divalent.
  C) trivalent.
  D) tetravalent.


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milbourne11

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Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

D


chandani

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Reply 2 on: Aug 27, 2018
YES! Correct, THANKS for helping me on my review

xiaomengxian

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Reply 3 on: Yesterday
Gracias!

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