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contestada

How does removing the "overburden" during coal extraction affect the environment?

Respuesta :

Answer: Strip mining eliminates existing vegetation and alters the soil profile, or the natural soil layers.

Explanation:

Mining disturbs and may even destroy the beneficial micro-organisms in the topsoil. Soil also may be damaged if reclamation operations mix the topsoil with subsoils, diluting matter in the surface soil.