Brett Freeman-Renewable Energy

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Across
  1. 4. total mass of organisms in a given area
  2. 7. diode conducting visible light into direct current (DC)
  3. 8. Energy made by the heat of Earth's crust
  4. 10. uses electronic equipment to enhance conversion of solar energy
  5. 11. central area that pulls up year round heat from the ground
  6. 12. An area with a group of windmills
  7. 13. A large turbine spun to create electricity
Down
  1. 1. sun energy to heat living spaces
  2. 2. hydroelectric power
  3. 3. A cell producing an electrical current directly from a chemical composition
  4. 5. The energy obtained from waves or specifically tidal
  5. 6. Chemical decomposition by passing an electrical current through a liquid or solution full of ions
  6. 9. a fuel derived directly from living matter