Science knowledge

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Across
  1. 4. Something we breathe
  2. 6. Thickest layer of Earth
  3. 8. Plants go through this mostly all times of the year
  4. 10. Provided evidence to continental drift
Down
  1. 1. Something we breathe out
  2. 2. Mountains located at the bottom of the ocean creating this
  3. 3. Outer most layer of Earth
  4. 5. Supercontinent
  5. 7. Contributed to the theory of continental drift
  6. 9. Inner most layer of Earth