High School

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Large quantities of near-surface ores, like coal, gold, and copper, are mined with:

A. Open-pit mining
B. Underground mining
C. Hydraulic mining
D. Subsurface mining

Answer :

Final answer:

Large quantities of near-surface ores, like coal, gold, and copper, are mined with open-pit mining.

Explanation:

Large quantities of near-surface ores, like coal, gold, and copper, are mined with open-pit mining. Open-pit mining involves digging a large, terraced hole in the ground in order to remove a near-surface ore body. For example, copper ore mines in Arizona and Utah and iron ore mines in Minnesota use open-pit mining techniques.

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