Across
- 1. used water from sinks, baths, toilets, industry
- 2. biggest source of pollution
- 5. pollution effecting multiple countries
- 7. contaminants in waterways
- 8. cover's most of earth's surface
Down
- 1. water on eraths surface
- 3. rain that seeps into earth
- 4. pollution from many sources
- 6. pollution from one source