Across
- 4. by which make water impure
- 6. is a disease that caused by drinking polluted water
- 7. and people responsiblity to keep surroundings clean
Down
- 1. increase the production of crops but cause water pollution
- 2. spills by tankers and Oil wells pollutes sea water
- 3. wash clothes in rivers some people bathe in rivers and bathe with their cattles
- 5. is the purest form of water