Liam

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Across
  1. 5. cleanest common fossil fuel
  2. 7. breaking up an atoms nucleus
Down
  1. 1. compressed dead plant material
  2. 2. ____ ENERGY is stored in chemical bonds
  3. 3. very commonly used process of co0nverting chemical energy into useable forms
  4. 4. energy cannot be created or ___ only change form
  5. 6. ____ energy is stored in forces that hold nuclei of atoms together