Question

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

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

release of underground gases
release of underground gases

destruction from overburden
destruction from overburden

local water contamination
local water contamination

destruction of ecosystems

Answer 1

- destruction from overburden
- local water contamination