What is one advantage surface coal mining has over other mining techniques? It has a smaller impact on the environment.

It’s easier to distinguish between high- and low-quality coal.

It requires more workers.

The complete seam can be accessed.

It’s easier to distinguish between high- and low-quality coal.

Explanation:

Coal mining is the extraction of coal from the depth of the soil around the area where such coal is found. This extraction shows that, there are various grades of coal ranging from low quality which is very dangerous for use to high-quality which is better for use. The use of the surface coal mining technique will help to distinguish it based on their various colours.

so whats the answer? ?

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