Biology

Question

How is coal removed from the ground?

2 Answer

  • Machines are used to remove coal from the ground, there are two ways, one of them implies surface mining, where they dig the dirt, then filter it to find coal, the second way implies underground mining, where workers go deep down, to find coal.
  • Coal miners use giant machines to remove coal from the ground. They use two methods: surface or underground mining.
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