A number of hydroelectric dams are now scheduled for dismantling. What is the main reason for this?

a. Their structure has weakened.
b. New findings about the potential for large earthquakes have been discovered.
c. Cheaper and cleaner sources of electrical power have been found.
d. Environmental concerns must be addressed before a dam can be relicensed.
e. The demand for irrigation water has decreased.


D

Environmental & Atmospheric Sciences

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Environmental & Atmospheric Sciences

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Environmental & Atmospheric Sciences