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What does hydroelectric power do?

a.) causes thermal pollution

b.) requires building dams that can harm ecosystems

c.) uses the energy inside an atom's nucleus to generate electricity

d.) releases carbon dioxide into the air

2 Answers

4 votes

Answer:

b

Step-by-step explanation:

User Jonatan Anauati
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5 votes

Answer:

B Requires building dams that can harm ecosystems

User Kyle Butt
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