This topic contains a solution. Click here to go to the answer

Author Question: ________ is a type of surface mining in which mountains are literally blown apart to expose thin ... (Read 77 times)

ghost!

  • Hero Member
  • *****
  • Posts: 560
________ 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



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

elizabethrperez

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

Answer: D

Answer to Question 2

Answer: B




ghost!

  • Member
  • Posts: 560
Reply 2 on: Aug 8, 2018
Wow, this really help


skipfourms123

  • Member
  • Posts: 343
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

For a complete list of videos, visit our video library