The time it takes to use up a certain proportion of mineral reserves a given rate is referred to as the ____.

A. life cycle
B. depletion time
C. long term estimate
D. consumption curve
E. strategic reserve


Answer: B

Environmental & Atmospheric Sciences

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Answer the following statement true (T) or false (F)

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Indicate whether the statement is true or false.

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An Intrusive igneous rock body with two parallel surfaces cutting across other rocks is called a ____________

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