Water Pollution

2. Process of collecting and processing materials
5. A byproduct of wastewater treatment
7. Been made impure by exposure
9. hurts fish and birds
14. A particular abnormal condition that adversely affects the structure or function of all or part of an organism
15. A way or channel for water

1. Areas where water covers the soil
3. Waste matter discharged from the bowels; feces
4. The action of making a liquid more dilute
6. The process of adding chlorine or chlorine compounds such as sodium hypochlorite to water
8. Form of nitrogen, which is found in several terrestrial and aquatic ecosystems
10. A partially enclosed, coastal water
11. An unusable remain or byproduct of something
12. too much harms water and animals
13. A mixture of water and human excreta (feces and urine)