Question 7
State four adverse effects of mining on the environment.
Observation
This question was well attempted by the candidates and many of them scored
high marks.
The answers they gave included:
- mine collapse;
- flooding of mines;
- increase in geothermal gradient;
- poor ventilation;
- mine explosion;
- cave-in;
- release of poisonous gases;
- rock burst;
- water pollution;
- dust pollution;
- land degradation;
- noise pollution;
- ground vibration;
- destruction of vegetation.