How is coal extracted from mountaintop removal mines? a. Dynamite is used to create underground tunnels where miners go to extract the coal. b. Dynamite is used to break apart rocks and then draglines are used to remove the broken rock and reach the coal. c. Coal in mountaintops is extracted by digging strips in the landscape to reach the coal. d. Placer deposits in mountain river bottoms are removed by sifting through sediment. Please select the best answer from the choices provided A B C D
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OPTION A. IS CORRECT.
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Answer:
Peak evacuation mining (MTR), otherwise called mountain ridge mining (MTM), is a type of surface mining at the summit or summit edge of a mountain.
Coal creases are separated from a mountain by expelling the land, or overburden, over the creases.
The act of peak evacuation mining has been disputable. This helps a lot to get ideas to follow the answer for the student to move better.
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