Natural Resources

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Across
  1. 3. harms the environment
  2. 4. energy from sun
  3. 7. Energy from ties
  4. 8. energy from dead stuff
  5. 9. energy from water
  6. 10. will run out
Down
  1. 1. occurs naturally in the environment
  2. 2. energy from earth heat
  3. 5. Energy from wind
  4. 6. can't run out