Mineral reserves are fixed quantities that do not change unless depleted by mining.
Answer the following statement true (T) or false (F)
False
The economic viability of a mineral reserve is tied to market prices and technological capability. If either one of those factors changes, than the amount of the reserve can fluctuate accordingly.
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A glacier forms when ____
A)snow accumulates to form ice, and the ice mass begins to flow under its own weight B)temperatures do not rise above freezing C)snow moves downslope under the influence of gravity D)meltwater at the base of a snow mass contributes to downslope flow E)a thick layer of ice is present
Describe the historical periods of change that European cities have experienced and their impacts on the structure and use of cities
What will be an ideal response?
Which of the following properties most clearly reflects the internal arrangement of atoms in a crystalline material?
A) color B) cleavage C) luster D) specific gravity
The upstream part of a stream profile usually has a steeper gradient than the downstream part. Indicate whether the statement is true or false