If demand forces metal prices up, all of the following can be expected except
A. development of lower-grade ore deposits.
B. disturbance of more land area for mineral extraction.
C. reclassification of some resources as reserves.
D. significant rapid increases in total world metal resources.
Answer: D
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Groups living in close proximity to one another yet practicing uniquely different social customs suggests
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What do you think are the biggest challenges related to soil conservation and management in the coming decades?
What will be an ideal response?