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Author Question: Coal gas was used in many towns in Europe and the U.S. in the nineteenth century but its use ... (Read 128 times)

drink

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on: Jul 21, 2018

Coal gas was used in many towns in Europe and the U.S. in the nineteenth century but its use declined
  because of the toxicity of one of its elements, carbon dioxide.


 
  Indicate whether the statement is true or false.

Question 2

In 1776, James Watt and Matthew Boulton invented the first truly efficient steam engine, which was powered
  by coal.


 
  Indicate whether the statement is true or false.


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fatboyy09

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Reply #1 on: Jul 21, 2018
Answer to Question 1

F

Answer to Question 2

F


drink

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Reply 2 on: Jul 21, 2018
Gracias!

helenmarkerine

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Reply 3 on: Yesterday
Wow, this really help

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