Q:

What are the disadvantages of mining?

A:

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The major drawback of industrial mining is the damage mining operations cause to the environment. Removal of large areas of topsoil can destroy habitats, and the chemicals used in mining operations can leach into the groundwater and pollute the area. Air pollution and radioactive pollution are other possible downsides.

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What are the disadvantages of mining?
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Full Answer

Another potential danger is geologic instability. In 1980, a salt mine underneath Lake Peigneur in Louisiana collapsed when an oil drilling operation breached part of the mine, and the resulting collapse sucked in barges, vehicles and buildings. Once the lake settled, the entire shoreline and region had been drastically changed by the collapse.

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  • Q:

    What is subsurface mining?

    A:

    Subsurface mining is the removal of deposits from the earth by drilling underneath layers of rock and dirt. These deposits are difficult to reach from the surface and require the drilling of vertical or horizontal shafts for access. The shafts are reinforced with supports before workers access the tunnels.

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  • Q:

    What have humans done to affect the tundra?

    A:

    Human impact on tundra regions includes melting permafrost caused by climate change and physical damage to ecosystems and habitats resulting from the mining and extraction of oil, natural gas and other minerals. Tundras may also suffer damage from oil spills, air pollution and ozone depletion within the upper atmosphere.

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  • Q:

    How does carbon dioxide cause global warming?

    A:

    Carbon dioxide contributes significantly to global warming by entering the atmosphere and waterways through many human activities, such as farming, industrial operations and changes in land use, primarily to agricultural production. Carbon dioxide occurs naturally through some activities, such as plant respiration, volcanic activities and the interaction between oceanic waters and the surrounding air. However, human activities increase the amount of carbon dioxide in the air, which in turn offsets the delicate balance of gases in the atmosphere and air temperature.

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  • Q:

    How does water pollution affect the environment?

    A:

    While water pollution has many impacts on the environment, its effects are most readily visible in the lakes and streams where pollution kills fish and other aquatic life. According to TEACH Great Lakes, biologists declared Lake Erie a dead lake in the 1960s, yet it was full of life. The problem was that it was the wrong kind of life, which caused a disruption in the lake due to pollution.

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