Why is Groundwater Shrinking? Crossword

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Across
  1. 4. excessive removal
  2. 6. severe lack of water
  3. 7. not able to be maintained at current rate
  4. 10. to make smaller
  5. 11. the sinking of land due to mining, water extraction or movements of the Earth
  6. 12. process when water is converted from liquid to gas form and is transferred to the atmosphere
  7. 13. fertile region which produces a significant amount of food crops
  8. 15. water that is stored underground in rocks or soil
  9. 18. level below which ground is saturated with water
Down
  1. 1. a type of rock which can store water in its pores
  2. 2. to supply farmland with water by using canals or ditches
  3. 3. groundwater refilling aquifers to replace used groundwater
  4. 5. materials found in the natural environment which are used by humans
  5. 8. liquid discharge or waste
  6. 9. spaces in rocks which can be filled with groundwater
  7. 14. to leak or pass slowly through ground
  8. 16. to use up or reduce amount
  9. 17. a barrier built to stop the flow of water to raise the water level