Podcast
Questions and Answers
What is the primary purpose of the reclamation process in mining?
What is the primary purpose of the reclamation process in mining?
- To reduce air pollution from coal combustion
- To extract more coal from the land
- To transport coal more efficiently
- To restore and improve the disturbed land (correct)
Which of the following environmental impacts is NOT mentioned as a concern with handling large quantities of coal?
Which of the following environmental impacts is NOT mentioned as a concern with handling large quantities of coal?
- Noise
- Aesthetic degradation
- Dust
- Release of toxic elements into the atmosphere (correct)
Compared to underground mining, strip mining is described as being:
Compared to underground mining, strip mining is described as being:
- More expensive and more difficult
- Cheaper but more difficult
- More expensive but easier
- Cheaper and easier (correct)
What is the main cause of acid mine drainage in surface mining operations?
What is the main cause of acid mine drainage in surface mining operations?
How much potentially mineable coal within 50 meters of the surface is available in the USA according to the text?
How much potentially mineable coal within 50 meters of the surface is available in the USA according to the text?
What is the main advantage of underground mining compared to surface mining?
What is the main advantage of underground mining compared to surface mining?
Which of the following is NOT listed as a significant environmental impact of increased coal usage?
Which of the following is NOT listed as a significant environmental impact of increased coal usage?
What is the primary method of transporting coal mentioned in the text?
What is the primary method of transporting coal mentioned in the text?
How does the environmental impact of strip mining depend on other factors according to the text?
How does the environmental impact of strip mining depend on other factors according to the text?
What is the main environmental concern associated with underground coal mining mentioned in the text?
What is the main environmental concern associated with underground coal mining mentioned in the text?
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