15.3 Energy Resources Answer Key Pdf - Section

A6: It is abundant, widely available, and produces no direct emissions or pollution during operation. It is also renewable.

A4: (1) Air pollution (including smog and acid rain) and (2) increased atmospheric carbon dioxide contributing to global climate change. section 15.3 energy resources answer key pdf

A3: They form from the remains of ancient plants and animals over millions of years, so their formation rate is far slower than the rate at which humans use them. A6: It is abundant, widely available, and produces

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. A3: They form from the remains of ancient

A7: Wind is intermittent (not always blowing), turbines can be noisy, and they may harm birds/bats. Also, large wind farms require significant land.

A8: Uranium-235 is the common fuel, and the process is nuclear fission (splitting the nucleus).

A2: Coal, petroleum (oil), and natural gas.