Across
- 4. representing 3% of the earth's water
- 5. underground layer which holds water
- 6. water underground
- 7. substance added to soil to increase fertility (rodovitnost)
- 8. the water moving in rivers, oceans...
Down
- 1. underground pipe for carrying off drainage water and waste matter
- 2. where river meets ocean
- 3. polluted water
- 6. a part of an ocean or sea extending into the land