Rock cycle

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Across
  1. 2. the highest rank of coal
  2. 7. a rock made of oxygen
  3. 10. rock made from crushed shells
  4. 12. a rock made of talic meallic
  5. 13. melted rock
  6. 14. almost melted rock
  7. 15. rock made of one mineral
  8. 16. cooled magma
  9. 17. rock made out of magma
  10. 18. rock made from other small rocks
  11. 19. made of grains of mineral
  12. 21. rock made out of compressed sand
Down
  1. 1. a rock made or shells
  2. 3. rock made of magma
  3. 4. rock made from water and cold
  4. 5. a rock made of trash
  5. 6. rock made from fabric thin layers
  6. 8. cooled lava
  7. 9. rock made from reptiles
  8. 11. a rock thats like chalk
  9. 20. rock made of fossils and dead animals