Although Hydroelectric Dams Generate Electricity Without Producing Greenhouse Gases, They

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Although Hydroelectric Dams Generate Electricity Without Producing Greenhouse Gases, They

A) are short-lived structures that have to be rebuilt about every 20 years B) contribute only about 5% of the electrical power throughout the world C) alter water control in ways that make it more difficult to irrigate crops D) eliminate farmland, wildlife habitats, and sometimes even villages in regions that are flooded E) still produce more greenhouse gases per unit of electricity produced than coal power plants
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Answer: D

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