Across
- 5. (water that contains wastes from homes or industry )
- 6. (an area in which water travels downward)
- 7. (the percentage of the total volume of a rock or sediment that consists of open spaces
- 11. (a body of rock or sediment that stores groundwater
- 14. ( a process of removing salt from oven water )
- 16. (a temperature increase in a body of water that is caused by human activity)
- 18. (a process that increases the amount of nutrients in a body of water through human activities)
- 19. pollution (pollution that comes from a specific site)
Down
- 1. (the area of land that is drained by the water system)
- 2. ( a microorganism, another organisms )
- 3. (a structure that is built across a river to control a rivers flow)
- 4. (the ability of a rock or let fluids pass through it’s open spaces or pores )
- 8. (a flowing network of rivers and streams draining a river basin)
- 9. ( contamination of water by waste matter or other material)
- 10. (the accumulation of pollutants at successive levels of the food chain)
- 12. (an artificial body of water that usually forms behind a dam )
- 13. (all the bodies of fresh water,salt water,ice and snow that is found above the ground
- 15. (the water that is beneath the earths surface)
- 17. ( suitable for drinking)
