Across
- 1. increase rate of sedimentation
- 5. condition of very low or no rainfall
- 6. least watery part in body
- 8. contamination of water
- 10. caused be hepatitis A virus
- 12. layer that does not allow liquid or gas to pass through
- 13. helps in excretion of waste in water form
Down
- 2. level of water under the ground
- 3. most watery part of body
- 4. a liquid used to cool a system
- 7. easiest way to kill harmful germs from water
- 9. the constant circulation of water from earth to atmosphere and back to earth
- 11. national flower of india