Multiple Choice
Suppose the world demand for iron is about 420,000,000 tons per year. The known global reserves are 100,000,000,000 tons. The demand for iron is increasing at a rate of 1.8%. What is the exponential reserve for iron?
A) 93.3
B) 128.4
C) 238.1
D) 420.0
Correct Answer:
Verified
Correct Answer:
Verified
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