Which of the following statements are true regarding open-pit mining?
A. all of the answers listed here
B. common technique for extracting low-grade ores
C. as the pit becomes deeper, the diameter of the hole must decrease
D. involves excavating massive volumes of waste materials
E. has lower operating costs and fewer occupational hazards
Answer: A
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Indicate whether the statement is true or false.
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A) Great Britain B) Brazil C) China D) Russia E) India
If you were standing at 60° north latitude you would be within which latitudinal geographic zone?
A) Subantarctic B) Antarctic C) Midlatitude D) Subtropical E) Subarctic
Low-level radioactive waste results from spent fuel rods.
Answer the following statement true (T) or false (F)