Asked by Rohan Anand on May 07, 2024
Verified
Which type of mine is the most cost effective to operate?
A) a shallow underground mine
B) a deep underground mine
C) an underground mine where milling is done underground
D) an open-pit mine
Open-Pit Mine
A type of surface mining operation where rocks or minerals are extracted from a large open pit or borrow.
Underground Mine
A type of mine where the extraction of resources occurs below the Earth's surface, accessed through tunnels or shafts.
Milling
A mechanical process that involves grinding, cutting, or crushing materials to create finer particles.
- Recognize the environmental impacts of mining and the benefits of sustainable practices.
Verified Answer
NF
Nicholas FosterMay 07, 2024
Final Answer :
D
Explanation :
Open-pit mines are generally the most cost-effective to operate compared to underground mines. This is because open-pit mining involves removing surface material to access ores near the surface, which typically requires less energy and is less labor-intensive than underground mining.
Learning Objectives
- Recognize the environmental impacts of mining and the benefits of sustainable practices.
Related questions
High-Strength Plastics and Composite Materials Strengthened by Carbon and Glass ...
What Is One Effect of Developing Renewable Energy Resources ...
Which Statement Best Describes Hydroelectric Power ...
What Is One Disadvantage of Using Biomass for Energy ...
Which of the Following Is a Significant Impact of Burning ...