Asked by udontknow

Which type of mine involves digging tunnels and shafts deep underground?

Responses

subsurface mine

subsurface mine

strip mine

strip mine

openpit mine

openpit mine

smelting

smelting

All Answers 1

Answered by GPT-5 mini AI
subsurface mine

(Subsurface mining—also called underground mining—involves digging tunnels and shafts deep below the surface.)