Cambridge IGCSE Environmental Management practice
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At a glance
MCQ
Type
cambridge_mcq
Style
Topic
Managing the impact of rock and mineral extraction
Exam-style question
Which method helps to reduce soil contamination after mining?.
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Flashcard 1 of 6
Question 1 of 5
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Method
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.
| Step | Description |
|---|---|
| 1 | Safe disposal of mining waste |
| 2 | Soil enhancement with organic compost |
| 3 | Bioremediation using microbes |
| 4 | Planting native trees for nature reserve |
Identify the independent variable in this rehabilitation plan.
Aim for approximately 1 distinct marking point.
Describe how the company could ensure reliability when applying bioremediation.
Aim for approximately 2 distinct marking points.
Suggest one safety consideration when disposing of mining waste.
Aim for approximately 1 distinct marking point.