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Question
Which statement is true about the potential environmental impact on local water by both surface and underground mining?(1 point)
Responses
Both types of mining can cause acid and heavy metals to get into local water.
Both types of mining can cause acid and heavy metals to get into local water.
Both types of mining lead to overburden clogging small local waterways.
Both types of mining lead to overburden clogging small local waterways.
Both types of mining can lead to a lowered water table.
Both types of mining can lead to a lowered water table.
Both types of mining cause high risk of sediment runoff.
1 answer
The correct statement regarding the potential environmental impact on local water by both surface and underground mining is:
Both types of mining can cause acid and heavy metals to get into local water.
This issue arises as a consequence of exposing sulfide minerals to air and water, leading to the formation of acid mine drainage, which can contaminate local water sources with heavy metals.
