Across
- 6. leading cause of pollution
- 7. all of the pollution end up here
- 8. when chemicals or trash enter water
- 10. when water seeps into cracks
Down
- 1. water on top of the earth
- 2. the main source of pollution
- 3. country spilling into another
- 4. from storm run off
- 5. pollution comes from discharged
- 9. from ships and cars that leak or break down