After ore is mined, it must be processed before being sent to the smelter. Which term describes the unwanted waste piles left behind after processing?
A. tailings
B. spoils
C. overburden
D. scab piles
Answer: A
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Distortions in our cognitive images are the result of
A) partial or incomplete information. B) biased information. C) our likes and dislikes. D) the strength of our memories. E) partial or incomplete information, biased information, our likes and dislikes, and the strength of our memories.
Radioactive waste dumping in oceans has been
A. Continued by the Soviet government until very recently B. Banned worldwide since 1957 C. Proved to be safe because the wastes are sinking to very deep oceanic trenches D. Considered by many governments but not carried out E. Common worldwide until last year
Which mesothermal climate can be found at the highest latitudes?
a. marine west coast b. Mediterranean c. humid subtropical d. humid continental, mild summer e. subarctic
How did climatic changes influence the evolution of hominids from anthropoids? What will be an ideal response?