- Case study: gulf war oil spill
- Where does domestic wastewater go
- Control of sewage generation
- Alternative methods of sewage disposal
- Case study: sulabh sanitation
- Effects of improper management of sewage
- Case study: ganga action plan (gap)
- Excerpt
- Keywords
- Exercise
EXERCISE
Fill in the blanks:
Ans: sewage
Ans: sludge
Ans: eutrophication