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Coal deposits that are deep underground must be extracted by subsurface mining rather than by strip-mining because strip-mining would _________.

Answer :

Final answer:

Strip-mining is not used for deep underground coal deposits because it would result in the destruction of surface ecosystems. Subsurface mining is instead used to minimize surface environmental impact and to access deposits that can't be reached by strip-mining methods.

Explanation:

Coal deposits that are deep underground must be extracted by subsurface mining rather than by strip-mining because strip-mining would destroy entire ecosystems on the surface. Subsurface mining is the process of extracting mineral resources from beneath the earth's surface, which allows for the protection of the surface environment. By contrast, strip-mining removes large strips of surface soil and rock, termed "overburden," to access coal seams close to the surface.

As coal is a solid mineral, substantial effort is required to mine it. The more accessible and higher-grade coal reserves, such as Premium Anthracite, are typically exhausted first, leading to a situation where mining companies must delve deeper into the earth, pursuing lower-grade coals like Lignite, which increases the difficulty and costs of extraction. This often necessitates subsurface mining when the surface mining methods are no longer viable.

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Rewritten by : Barada

Coal deposits that are deep underground must be extracted by subsurface mining rather than by strip-mining because strip-mining would Require removal of large amounts of rock and soil.

  • The process of extracting a metal or fossil fuel from the ground is known as subsurface mining. It is the most effective and well-known mining technique.
  • The practice of subsurface mining is beneficial for mining for gold, silver, lead, and even jewels. Throughout the West, mines have significantly harmed the ecology.
  • Surface mining, sometimes known as "strip mining," can destroy wildlife, seriously erode the soil, impair its fertility, contaminate the water supply or drain subterranean water supplies, scar or desecrate the landscape, and harm homes, other buildings, roads, and other land features.

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