Across
- 3. a way to draw out ground water.
- 6. a salt less water.
- 7. a Himalayan river.
- 8. a cause of floods in costal area.
- 9. a long path for water dug into the ground.
Down
- 1. main source of fresh water on earth.
- 2. a state of water.
- 3. an example of aquatic plants.
- 4. one of the three rules of waste management.
- 5. a colour of roof that keeps classroom cool.