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Author Question: Approximately 71 percent of the coal used in the United States is transported by _______________. ... (Read 53 times)

cherise1989

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on: Jul 21, 2018
Approximately 71 percent of the coal used in the United States is transported by _______________.
 
  Fill in the blank(s) with the appropriate word(s).

Question 2

The most dangerous type of coal mining is _______________.
 
  Fill in the blank(s) with the appropriate word(s).


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karlss

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

train

Answer to Question 2

deep mining


cherise1989

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Reply 2 on: Jul 21, 2018
Great answer, keep it coming :)

xiazhe

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Reply 3 on: Yesterday
Gracias!

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