Consult the figure below.Although granite contains aluminum atoms,we do not mine granite to produce aluminum because ________. 
A) granite is too difficult to mine
B) the concentration of aluminum is too small to be economical
C) aluminum cannot be separated from the granite
D) aluminum is found only in isolated veins
Correct Answer:
Verified
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A) can
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A)Copper
B)Brass
C)Gold
D)Silver
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