CBSE Class 8 Science Water Pollution by Fertilisers
- What are the I'll effects of insecticides?
- Why the use of biopesticides encouraged over chemical pesticides?
- What is eutrophication
- Describe water pollution
- In very sort answer what is the cause of eutrophication
- what is the full form of RSPM?
- mention the effect of chrococcus on humans.
- How do pesticides and weedicides pollute water?
- What is meant by water pollution?
- What are water pollutants? How does water becomes polluted?
