Many ores are obtained from large open-pit mines. What would happen to this mine if the demand for its ore decreased? What would happen if the demand increased?
bettcheese asked:

This entry was posted on Tuesday, February 17th, 2009 at 6:53 pm and is filed under Earth Sciences & Geology. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.
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