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What method of mining is used to acquire coal that is found deep within the Earth's crust, decreases the amount of damage done to natural habitats, but is potentially more dangerous to workers?

A. Subsurface mining
B. Surface mining
C. Strip mining
D. Offshore drilling

Answer :

Final answer:

Subsurface mining is the method used to extract deep coal, causing less harm to natural habitats compared to surface mining. This technique involves digging tunnels and shafts, but is more dangerous for miners due to risks like collapses and poor air quality. While it is preferable for environmental reasons, safety remains a major challenge.


Explanation:

Mining Methods for Deep Coal

The method of mining used to acquire coal that is found deep within the Earth's crust is called subsurface mining. Unlike surface mining, which disturbs larger areas of land, subsurface mining minimizes the damage to natural habitats by accessing mineral deposits through tunnels and shafts. This method is more suitable for coal seams that are located at significant depths and is generally less damaging to the land surface, producing fewer waste materials.

However, it is important to note that while subsurface mining is less environmentally invasive, it poses greater dangers to workers. Miners often work thousands of feet underground, dealing with risks such as tunnel collapses, poor air quality, and the potential for explosions. Various techniques, such as room-and-pillar and long-wall mining, are used within subsurface settings to extract coal while attempting to ensure the stability of the mine structure.

In summary, although subsurface mining has advantages in terms of environmental impact, the safety of the miners remains a critical concern due to the inherent dangers associated with working underground.


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