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Answer :
Final answer:
Surface mining is the most damaging extraction method due to its extensive environmental impacts, including land degradation and habitat destruction. In comparison, subsurface and placer mining have comparatively lesser impacts. Therefore, in the context of the options provided, surface mining is the correct choice.
Explanation:
Extraction Methods and Environmental Impact
Among the various mining methods, surface mining is often considered the most damaging to the environment. This method involves the removal of extensive layers of soil and rock to access minerals located near the surface. It includes processes such as open-pit mining, which can lead to significant land degradation, water contamination, and habitat destruction.
In contrast, subsurface mining, which extracts minerals from beneath the earth's surface, generally has a smaller surface footprint but can still lead to environmental issues like ground subsidence. Meanwhile, placer mining tends to have localized impacts, primarily affecting riverbeds and streams where minerals are washed away, but it does not typically compare to the extensive harm caused by surface mining.
Overall, because it disturbs large areas of land and can create long-lasting ecological effects, surface mining is often regarded as the most damaging extraction method.
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