Jaxson's crossword puzzle

1234567891011121314
Across
  1. 1. discovered seafloor spreading
  2. 6. the outer most layer of earth
  3. 7. what plants use as food
  4. 8. the largest layer of earth
  5. 10. when two alleles are the same
  6. 11. what humans breathe
  7. 12. the innermost layer of the earth
  8. 14. where seafloor spreading takes place
Down
  1. 2. when one layer of earth bends and goes under the other
  2. 3. how the continents move
  3. 4. what humans breathe out
  4. 5. when two allels are different
  5. 9. the process of continents moving apart
  6. 10. water
  7. 13. discovered continental drift