E Answer the following questions. Enter answers directly to the Blackboard editor or attach them as a Word document. 1. What proportion of U.S. energy now comes from renewable sources? What is the most prevalent form of renewable energy used in the United States? What form of renewable energy is most used to generate electricity? 2. What factors and concerns are causing renewable energy use to expand? Which two renewable sources are experiencing the most rapid growth? 3. What proportion of the world energy supply comes from fossil fuels? What is the prevalent source of energy for electricity generation in the world? What is the proportion of energy consumption in the US that derives from fossil fuels? 4. List several environmental and economic advantages of solar power? What are some disadvantages? 5. How do wind turbines generate electricity? How does wind speed affect the process? What conditions are the most favorable for the placement of wind turbines? 6. Describe several environmental and economic benefits of wind power. What are some drawbacks? 7. List and briefly describe four approaches for obtaining energy from ocean water.

Answer the following questions. Enter answers directly to the Blackboard editor or attach them as a Word document. 1. What proportion of U.S. energy now comes from renewable sources? What is the most prevalent form of renewable energy used in the United Staten? What form of renewable epergy is most used to generate electricity? 2. What factors and concerm are causing renewable energy use to expand? Which fwo renewable sources are experiencing the most rapid growth? 3. What proportion of the world energy supoly comes from fossit fuels? What is the prevalent source of enerigy for electrkity generation in the waridt What is the proportion of energy consumption in the US that derives from fossil fuets? 4. Ulut several envioninental and economic advantages of solar power? What are sorne disadvantages? turbines? 6. Dencribe severil emvionmental and economic benefits of wind power. What are some drawbacks? 7. Ust and briefly describe four approaches for obtainine eneriy from ocean water