A good deal of iron ore is mined in Michigan's Upper Peninsula. What is the relationship between the demand for iron ore and the cost of mining operations in Michigan?

A) Changes in the demand for iron ore are caused directly by changes in the cost of iron mining.
B) Changes in the costs of iron mining are caused by changes in the demand for iron ore.
C) There is no significant relationship because the demand for iron ore is determined by many different people, while the cost of mining the ore is determined by business executives.
D) Nobody knows.

B

Economics

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