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Author Question: When coal is burned, mineral impurities are converted to A) sulfur dioxide gas that goes up the ... (Read 60 times)

Mimi

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on: Aug 27, 2018
When coal is burned, mineral impurities are converted to
 
  A) sulfur dioxide gas that goes up the smokestack.
  B) carbon dioxide and water.
  C) metal oxide solids that remain behind as ash.
  D) All of the above are products of burning coal.

Question 2

Approximately what percentage of U.S. electricity is generated by the burning of coal?
 
  A) 25
  B) 35
  C) 45
  D) 65


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ebe

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

C

Answer to Question 2

C


Mimi

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Reply 2 on: Aug 27, 2018
Thanks for the timely response, appreciate it

parshano

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Reply 3 on: Yesterday
Wow, this really help

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