Answer:
(i)
The dust and noxious fumes inhaled by miners make them vulnerable to pulmonary
diseases.
(ii) The risk of collapsing mine roofs, inundation and fires in coal
mines are a constant threat to miners.
(iii) The water sources in the regions get contaminated
due to mining.
(iv) Dumping of waste and slurry leads to degradation of
land, soil and increase in stream and river pollution.
Stricter safety regulations and implementation of
environmental laws are essential to prevent mining from becoming a 'killer
industry'.
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