domingo, 15 de mayo de 2011

HYDROELECTRIC PLANTS



ADVANTAJES:

- Produce clean energy does not emit "greenhouse", does not cause acid rain, and produce toxic emissions.
- The water cycle makes it an inexhaustible resource.

DISADVANTAJES:

-Dams become insurmountable for species like salmon, they have to go up rivers to spawn. For its part, the dams affect the river beds, causing erosion, and affect the overall ecosystem.
- Water depletion.

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