Environmental Systems Crossword Puzzle

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Across
  1. 1. sunlight, heat, wind, water, and geothermal heat
  2. 5. homes
  3. 6. the ability to meet the needs of the present without sacrificing the needs of the future, which includes preserving natural resources, biodiversity, and ecosystems
  4. 8. oil
  5. 11. power Heat generated within the Earth’s core Wind energy
  6. 13. timber and landCan be used long term
  7. 14. renewable resources natural resources that cannot naturally replenish themselves
  8. 15. fuels
  9. 16. energy Organic material from plants or animals
Down
  1. 2. gas
  2. 3. underground in layers of rock and sediment
  3. 4. practically never run out
  4. 5. Energy from flowing water generates electricity
  5. 7. resources energy sources that cannot be used up and can supply a continuous source of clean energy
  6. 9. cells from the Sun’s radiation converted into electricity Use of renewable resources
  7. 10. agricultural products and soil
  8. 11. and diesel fuel for vehicles
  9. 12. by turning wind turbines Solar energy