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Biology 15 Online
OpenStudy (anonymous):

Need help with a study guide!! True/ False 1. Solar energy originates with thermonuclear fission reactions occurring in the Sun. 2. One drawback of using solar energy is that human use will reduce the amount of energy available to natural ecosystems. 3. The greatest energy output by the Sun is in the visible light part of the spectrum. 4. Judicious landscaping with trees can enhance the benefits of passive solar energy. 5. Photovoltaic, or solar, cells can be made by anyone who is handy with tools and familiar with basic electronics.

OpenStudy (anonymous):

6. The solar-trough collector for harnessing solar energy was invented more than 60 years ago. 7. Solar energy is impractical for the large-scale, commercial generation of electricity. 8. Hydropower is an indirect form of solar energy 9. Renewable energy supplies less than 1% of U.S. primary energy. 10. Even the best-insulated solar home requires a secondary furnace or other major heating source. Solar heating alone is never enough.

OpenStudy (anonymous):

Well I know for sure that number 2 is false. Common sense that we can't really steal the energy from the sun.

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