Across
- 2. water found under earth's surface, in spaces in rocks or in soil.
- 3. pollution that comes from many small sources, difficult to control.
- 7. a measure of the cloudiness of water that is caused by suspended solids
- 10. pollution occurs when live of dead organisms are added to water supplies.
- 12. any body of water above the ground
- 13. is a body of rock that can store a lot of water(underground)
- 14. occurs when harmful chemicals are added to water supplies.
Down
- 1. is pollution that comes from one specific site.
- 4. is a temperature increase in a body of water, it has harmful effects on water quality.
- 5. Is a body of water that usually forms behind a dam.
- 6. is a measure of how clean or polluted water is.
- 8. water that is safe to drink
- 9. an increase in the amount of nutrients in an aquatic ecosystem.
- 11. the availability of water
- 15. the government agency that has the job of testing our drinking water