Question

which is a type of mining where overburden is stripped and coal is removed? hall mining strip mining placer mining leach mining

Explanation:

Strip mining is a surface mining method where overburden (the layer of soil and rock above the coal) is removed to access the coal. Hall mining is not a standard mining term. Placer mining involves extracting minerals from sediments. Leach mining uses chemical solutions to extract minerals.

Answer:

strip mining