Energy

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Across
  1. 3. coal but a liquid
  2. 6. water power
  3. 7. dead animals and plants(ancient)
  4. 9. gas coal but f i r e
Down
  1. 1. heat from the earth
  2. 2. ___mills
  3. 4. sun
  4. 5. plants or animals scraps
  5. 8. splitting of electrons