Detailed Instructions: Given a scientific passage and an answer, generate a question for the given answer.
Problem:Passage: U. S. law states that once mining is complete, the land must be restored to its natural state. This process is called reclamation . A pit may be refilled with dirt. It may be filled with water to create a lake. The pits may be turned into landfills. Underground mines may be sealed off or left open as homes for bats. The land is reshaped. Native plants are planted. Answer: reclamation
Solution:
When land used for mining or other purposes is restored to its natural state, what do you call the process, which is often mandated by law?