____________ are mined by the United States to alloy with iron in order to produce the special-purpose steel used in the aerospace industry.
A) Strategic minerals
B) Reserves
C) Native metals
D) Nonmetals
Correct Answer:
Verified
Q40: Open-pit mining utilizes ore that lies close
Q41: Because it can be split easily into
Q42: Which of the following nonmetallic resources has
Q44: The United States has active mines within
Q45: The most important mineral resources,including ores,can be
Q46: Which mineral resources are considered renewable?
A)base metals
Q47: As compared to coal mining,there is virtually
Q48: Ore processing can have environmental consequences,including _.
A)acid
Q49: A drawback to mining sulfides is the
Q59: Concrete is _.
A) synonymous with the term
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