Despite that hydroelectric dams generate electricity without producing greenhouse gases, they eliminate farmland and wildlife habitats in the regions that are flooded.
Hydro-electricity is a source of electricity generated from force gotten from downfall of dam water.
Hence, the Option C is correct because hydroelectric dams eliminate farmland and wildlife habitats in the regions that are flooded.
Missing option includes "a. are only able to contribute to about 5% of the electrical power throughout the world. b. are short-lived structures that have to be rebuilt about every 20 years. c. eliminate farmland and wildlife habitats in the regions that are flooded. d. alter water control in ways that make it more difficult to irrigate crops."
Read more about this here
brainly.com/question/18067337