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Author Question: ________ is a type of surface mining in which mountains are literally blown apart to expose thin ... (Read 72 times)

ghost!

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on: Aug 8, 2018
________ is a type of surface mining in which mountains are literally blown apart to expose thin seams of coal, which are scraped from the newly-flattened surface with massive earth-moving machines called draglines.
 
  A. Mountain spur
  B. Open-pit mining
  C. Gold dredge
  D. Mountaintop removal mining

Question 2

The large amount of liquid coal waste generated in coal preparation plants is known as ________.
 
  A. wax
  B. slurry
  C. aerogels
  D. mesona


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elizabethrperez

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Reply #1 on: Aug 8, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: B


ghost!

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Reply 2 on: Aug 8, 2018
:D TYSM

Viet Thy

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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