Across
- 2. water that contains very little salt
- 4. type of water management that makes use of renewable water resources
- 6. increase in the amount of water flowing through the river
- 7. layer that holds water underground
- 9. sinking of the ground level
Down
- 1. the difference between de precipitation and the evaporation
- 3. all the problems that arise as the result of a shortage of water
- 5. the amount of water that goes in and out of the area
- 8. type of water shortage that is a result of the fact that too little has been invested to get the available water to the people