Which statement best describes reserves?
A) They are identified and subeconomic.
B) They are identified and profitably extractable.
C) They are unidentified and subeconomic.
D) They are unidentified and profitably extractable.
Correct Answer:
Verified
Q22: What is smelting?
A) It is the process used
Q23: Which statement characterizes igneous rocks?
A) They include limestone
Q24: Which rock classification includes slate,anthracite,and marble?
A) igneous rock
B) primary
Q25: Which of the following is a nonmetallic
Q26: What is the fraction of ore containing
Q28: Which type of rock is most likely
Q29: What can be caused by mining?
A) habitat regeneration
B) large-scale
Q30: Which of the following is an igneous
Q31: What is waste soil and rock removed
Q32: Which of the following characterizes acid mine
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