Answered

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Although hydroelectricity is the least expensive energy source used to generate electricity, most utility companies in the United States do not use this form of energy because–


A
hydroelectric plants tend to last longer than plants powered by fossil fuels.


B
hydroelectricity causes more pollution due to the emission of greenhouse gases.


C
hydroelectric plants are expensive to construct and need expensive machinery.


D
reservoirs associated with dams can be used for irrigation as well as recreation.

Sagot :

Answer:

C. They may be the lest expensive but they are still excessively pricey compared to other options.

Explanation:

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