Multiple Choice
Which of the following best describes the primary cause of the environmental problem known as acid-mine drainage?
A) chemical breakdown of sulfide minerals
B) use of strong acids during mining operations
C) excessive mining regulations
D) poorly ventilated underground mines
E) all of the answers listed here
Correct Answer:
Verified
Correct Answer:
Verified
Q1: Once a mineral resource becomes economically viable
Q3: Which of the following statements is true
Q4: Much of the world's supply of iron
Q5: Which of the following statements best describes
Q6: Which of the following statements best describe
Q7: Which of the following statements is true
Q8: Which of the following terms describes a
Q9: Which of the following statements are true
Q10: In addition to lowering the pH of
Q11: Placers are sedimentary deposits where valuable minerals