1) MSHA's authority comes from which covers all mining and mineral processing operations in the United States, regardless of size, number of employees, or method of extraction.

A. The Environmental Protection Act
B. The Federal Mine Safety and Health Act
C. The Clean Air Act
D. The National Mining Act



Answer :

Final answer:

The authority for mining operations in the United States comes from the Federal Mine Safety and Health Act.


Explanation:

The authority for mining and mineral processing operations in the United States, regardless of size or method of extraction, comes from the Federal Mine Safety and Health Act (B).


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