LORENZ BULOS 4A

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Across
  1. 4. WHAT IS WATER STORED UNDER EARTH'S SURFACE CALLED?
  2. 7. WHAT IS THE LAYER OF EARTH WHERE WATER IS PRESENT?
  3. 10. THE MOST ABUNDANT ELEMENT IN THE ATMOSPHERE
  4. 13. A PROCESS WHERE NITROGEN IS CONVERTED INTO AN INORGANIC FORM FROM DEAD PLANTS AND ANIMALS
  5. 15. A FORM OF NITROGEN USED BY PLANTS KNOWN AS NO2-
  6. 16. THE PROCESS WHICH CARBON MOVES FROM THE ATMOSPHERE TO PLANTS
  7. 18. MOST FRESHWATER IS FOUND IN _____?
  8. 19. ______ FUELS ARE BURNT INTO THE ATMOSPHERE
  9. 20. NITROGEN _____ BE USED DIRECTLY AS A NUTRIENT TO ANIMALS OR PLANTS
Down
  1. 1. _____ STRIKES ARE A PRODUCT OF TWO STRONGLY BONDED NITROGEN ATOMS
  2. 2. WHAT PERCENTAGE OF WATER IS FRESH?
  3. 3. PROCESS WHICH WATER VAPOR IS CHANGED BACK INTO LIQUID WATER
  4. 5. CARBON DIOXIDE IS A TYPE OF ________ GAS
  5. 6. WHEN PLANTS AND ANIMALS CONTAINING CARBON DIE, CARBON IS DISTRIBUTED INTO WHERE?
  6. 8. THE PROCESS WHERE LIQUID WATER IS CONVERTED INTO A WATER VAPOR
  7. 9. ____ IS CONDENSATION NEAR THE GROUND
  8. 11. THE PROCESS OF WATER MOVING THROUGHOUT THE EARTH IS CALLED THE _____ CYCLE?
  9. 12. PLANTS OBTAIN NITROGEN FROM THE SOIL IN A USABLE FORM CALLED _______
  10. 14. RELEASING CARBON INTO THE ATMOSPHERE THROUGH EXHALATION
  11. 17. THE PROCESS WHICH NITRATE IS RETURNED TO THE ATMOSPHERE