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Surface mining is more ecologically damaging than subsurface mining.

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A. True
B. False

Answer :

Final answer:

Surface mining, particularly methods like mountaintop removal, is generally more ecologically damaging than subsurface mining due to habitat destruction and pollution. Surface mining disrupts local ecosystems significantly and has long-lasting effects on biodiversity. While subsurface mining has its own environmental issues, its impacts are less immediately visible compared to those caused by surface mining.


Explanation:

Comparison of Surface Mining and Subsurface Mining


Surface mining is often considered more ecologically damaging than subsurface mining due to various significant environmental impacts. When surface mining techniques like mountaintop removal are employed, they involve removing vast amounts of overburden, which leads to habitat destruction and a loss of biodiversity in the affected areas. For instance, the landscape can be permanently altered, and species that once thrived in that environment can become endangered or extinct.


Some of the environmental consequences of surface mining include:



  2. Habitat Destruction: The removal of vegetation and overburden disrupts ecosystems and can cause soil erosion.

  4. Water Pollution: Exposed rocks may leach heavy metals and sulfates into nearby water bodies, harming aquatic life.

  6. Altered Water Flow: Compaction of soil and loss of tree cover can lead to increased flooding risks as runoff is not properly managed.


While subsurface mining may protect surface ecosystems from immediate damage, it also has its downsides, such as methane gas emissions, which contribute to climate change. Therefore, while both mining methods are harmful, surface mining typically has a more visible and extensive impact on the environment.


Learn more about Mining Environmental Impact here:

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