Natural resources.

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Across
  1. 4. unlimited heat and light
  2. 9. natural
  3. 11. gas of fossil fuels
  4. 12. moving the air
Down
  1. 1. plants and animals
  2. 2. using heat from the earth
  3. 3. energy from water
  4. 5. liquid of fossil fuels
  5. 6. energy created through the splitting of atoms
  6. 7. used faster than it is produced
  7. 8. oil,coal,and natural gas
  8. 10. solid fossil fuels