Unformatted text preview: FOSSIL FUEL USE 16. Siltation and decreased water quality are especially significant problems with HUGE DAMS ON MAJOR RIVERS 17. In the U.S. windmills played a critical role in the settlement of THE GREAT PLAINS 18. Geothermal energy uses NATURALLY OCCURRING HOT GROUNDWATER to produce usable heat or electricity 19. Tidal power stations operate by using TURBINES THAT SPIN IN THE FLOW OF TIDE WATER 20. Ocean thermal electric conversion systems would operate best in WARM DEEP TROPICAL SEAS...
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This document was uploaded on 11/19/2010.
- Spring '09