The United States keeps large stockpiles of bauxite to ensure a supply of aluminum.This is an example of
A) a strategic metal.
B) a metamorphic ore.
C) a rare Earth metal.
D) a rare metal.
E) an evaporite.
Correct Answer:
Verified
Q3: The physical breakdown of a rock into
Q4: Starting at the Earth's surface and going
Q5: If metals are deposited in streambeds _
Q6: Rock formed from magma extruded to the
Q7: The continental crust of the earth is
Q9: Half the coal used in the United
Q10: _ in the mantle and core make
Q11: Evaporites,formed from _,are important economically because they
Q12: The "ring of fire" is the source
Q13: _ rocks are often the source of
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