Science

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Across
  1. 4. cells
  2. 8. to breath
  3. 9. is gas to liquid
  4. 10. is solid to liquid
Down
  1. 1. is gas to solid
  2. 2. is liquid to gas
  3. 3. is liquid to solid
  4. 5. of matter
  5. 6. of space
  6. 7. dioxide