If surface mines tend to cause greater environmental impacts, why are they used?
A) Surface mines require the excavation of less rock.
B) Cyanide is not required to process ore from a surface mine.
C) Surface mines are more economical.
D) Subsurface mines are more hazardous to miners.
C
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Observance of the "five pillars" is associated with which religion?
A) Hinduism B) Buddhism C) Confucianism D) Islam
This climate group occupies a greater percentage of the earth's surface than any other climate group
A) polar B) topical C) severe mid-latitude D) dry
Using the data in this table, determine the age in years of the granite (unit G on this table).
A. 500 B. 750 C. 1,500,000,000 D. 1,000,000,000 E. 50,000,000
A cone of depression can develop in:
a. the water table b. the potentiometric surface c. the hydraulic conductivity d. both a and b