A9: Burning wood for heat, ethanol from corn, or methane from landfill waste.
A5: Flowing water turns a turbine connected to a generator. The kinetic energy of moving water is converted into mechanical energy, then into electrical energy. section 15.3 energy resources answer key pdf
A6: It is abundant, widely available, and produces no direct emissions or pollution during operation. It is also renewable. A9: Burning wood for heat, ethanol from corn,
A7: Wind is intermittent (not always blowing), turbines can be noisy, and they may harm birds/bats. Also, large wind farms require significant land. A9: Burning wood for heat
A2: Coal, petroleum (oil), and natural gas.