2-A Chelsea Edwards

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Across
  1. 5. A way that nature recycles matter
  2. 6. Are part of the geosphere
  3. 10. The process where water turns to gas
  4. 13. Our planes fly in it every day
  5. 16. Nitrogen makes this. It helps with genes
  6. 17. Nitrogen passes through what spheres?
  7. 20. When water falls from the atmosphere
Down
  1. 1. The sphere that deals with all life on earth
  2. 2. The process where water moves above, on, and below the earth's surface.
  3. 3. Pulled from the air to help with photosynthesis
  4. 4. Dead plants and animals that have been in the ground for millions of years
  5. 7. The building blocks of everything
  6. 8. The sphere that has to do with rocks
  7. 9. Condensation near the ground
  8. 11. lakes, rivers, and streams
  9. 12. Bactria changes nitrogen into a form plants and animals can use
  10. 14. when it flows along the surface
  11. 15. Nitrogen is the most what element?
  12. 18. The air is made up of this and nitrogen
  13. 19. A form commonly used by plants