Across
- 4. When water has infiltrated, it can move through __________.
- 9. Anything that affects water or its use in a negative way can be known as water ____________.
- 11. Another word for sedimentation - a problemfaced by many dams in the world when they get filled with sediment.
- 12. Dams and ___________ are useful for water storage.
- 15. This is an example of a water-based disease.
- 16. A period of abnormally excessive rain is known as a _______ event.
Down
- 1. Without changing the chemistry at all, water can also be polluted when it is ________.
- 2. When water is polluted in a very specific place that can be identified it is called ________.
- 3. Trees help reduce soil erosion from rain through the process of __________.
- 5. The result of fertilizers contaminating water resources.
- 6. This is an example of a water-borne disease.
- 7. These are important natural or artificial areas that filter water and reduce the effects of floods.
- 8. Water-related diseases are more common in __________ areas.
- 10. The organism that is used by a disease as part of its life cycle.
- 13. Improving __________ is a way of ensuring safe disposal of human and domestic waste and ensuring safe, clean water.
- 14. This disease is water-bred.
