Across
- 4. -a liquid mixture of hydrocarbons
- 5. -characterized by industries
- 6. -filtering or passing through
- 7. -unicellular microorganisms
- 9. -substances studied by chemistry
- 10. -contaminate compound
- 12. -being impure from pollutions or poisons
- 13. -dangerous
- 14. -a chemical reaction that takes place when a substance comes in contact with oxygen
- 16. -a substance used for killing invasive plants or inscets
- 18. -a place to dispose waste
- 20. -the ability to be dissolved
- 21. -water underground in substrate zones
- 22. -the tidal mouth of a large body of water
- 25. -the arrangement of natural features in an area
- 27. -source of supplying water
- 29. -liquid waste or sewage
- 30. -contaminated with harmful or poisonous substances
Down
- 1. -a microscopic organism
- 2. -a channel for water
- 3. -geology concerned with water
- 8. -an area where livestock are fed
- 11. -a continuous soil pore
- 15. -throwing away or getting rid of
- 17. -the act of making something weaker
- 19. -a water-bearing rock readily transmits water to wells and springs
- 23. -poisonous
- 24. -a body of water that is contained, reservoir
- 26. -excrement, feces
- 28. -spaces or hole which water or air can pass through