yummy yummy crossword in my tummy

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Across
  1. 1. one type of units geologist use to measure eras
  2. 3. a layer beath the soil
  3. 6. spelled like humas
  4. 7. fossil formed when organism in sediment disolves
  5. 9. a meander cut of from river
  6. 10. the lose weathered material on the soil
  7. 13. a animal with no backbone
  8. 15. a fossil copy of a organism shape
  9. 16. happened in 1930s in great plains
  10. 17. what dinosaurs are now
  11. 19. how to spell my name
Down
  1. 2. a soil organism that breaks down and digests them
  2. 4. large stream
  3. 5. a large mass of ice
  4. 8. when many living things extinct at same time
  5. 11. the distance east or west of the prime meriden
  6. 12. the amount of sediment in a river or stream
  7. 14. the grinding away of rock by water or ice and wind
  8. 18. the sediments deposition drictly by glaciers