how fossils are made

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Across
  1. 2. tar
  2. 3. sediments
  3. 7. fossilization
  4. 9. fossils
Down
  1. 1. carbonization
  2. 4. mold
  3. 5. tracefossil
  4. 6. fossilresin
  5. 8. cast
  6. 10. ice