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Learning objective

Students should be able to outline and assess methods for rehabilitating environments affected by rock and mineral extraction, including the safe disposal of mining waste, land restoration techniques such as soil enhancement and bioremediation, the establishment of lakes and nature reserves, and the use of these areas as landfill sites.

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Cambridge IGCSE Environmental ManagementRocks and minerals and their exploitationPractical objective

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Students should be able to outline and assess methods for rehabilitating environments affected by rock and mineral extraction, including the safe disposal of mining waste, land restoration techniques such as soil enhancement and bioremediation, the establishment of lakes and nature reserves, and the use of these areas as landfill sites

  • This point belongs to Managing the impact of rock and mineral extraction, especially Managing the impact of rock and mineral extraction outcomes.
  • You need to be able to students should be able to outline and assess methods for rehabilitating environments affected by rock and mineral extraction, including the safe disposal of mining waste, land restoration techniques such as soil enhancement and bioremediation, the establishment of lakes and nature reserves, and the use of these areas as landfill sites.
  • The key ideas to know are Describe, Discuss, and Identify.
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DescribeDiscussIdentifySuggest

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Method

Rehabilitation Method Plan

The company will first safely dispose of mining waste in lined containment areas to prevent leakage. Then, they will add organic compost to improve soil quality. Bioremediation will be applied by planting specific microbes to break down contaminants. Finally, the area will be planted with native trees to establish a nature reserve.

StepDescription
1Safe disposal of mining waste
2Soil enhancement with organic compost
3Bioremediation using microbes
4Planting native trees for nature reserve
  1. a

    Identify the independent variable in this rehabilitation plan.

    Aim for approximately 1 distinct marking point.

    [1]
  2. b

    Describe how the company could ensure reliability when applying bioremediation.

    Aim for approximately 2 distinct marking points.

    [2]
  3. c

    Suggest one safety consideration when disposing of mining waste.

    Aim for approximately 1 distinct marking point.

    [1]
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