Fill in the blanks to complete the passage on various energy alternatives. Both wind and solar power are - , nonpolluting sources of electricity. Other sources of energy alternatives to - fuels include - , which is power drawn from moving water, - from splitting atoms, and - power from tapping into the heat below Earth's surface. nondepletablenuclear powerhydropowerundergroundterrestrialatomic powerfossilwatergeothermal