The expected useful life of an hydroelectric power station is around
A. 15 years
B. 30 years
C. 60 years
D. 100 years
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Answer: D
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The expected useful life of an hydroelectric power station is around
A. 15 years
B. 30 years
C. 60 years
D. 100 years
Answer: D
Share your understanding of this question with the correct explanation.