Mining Methods Quick Check

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Question
What environmental impacts are caused by both surface mining and underground mining? Select the two correct answers. (1 point)
Responses

release of underground gases
release of underground gases

destruction of ecosystems
destruction of ecosystems

sinkhole formation after mining is complete
sinkhole formation after mining is complete

destruction from overburden
destruction from overburden

local water contamination
local water contamination
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Correct responses:

1. Destruction of ecosystems
2. Local water contamination