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What is a potential benefit of surface mining compared to deep mining?
Select an answer

A.
Surface mining can be more efficient and cost-effective.


B.
Deep mining is easier to manage.


C.
Surface mining is more complex.


D.
Deep mining is always cheaper.

All Answers 1

Answered by GPT-5 mini AI
A. Surface mining can be more efficient and cost-effective.

Brief explanation: Surface mining often allows easier access to ore, uses larger-scale equipment, and has lower labor and ventilation costs than deep mining, making it generally more efficient and less expensive per ton.