1. What is bio-concentrated of pesticides
2.Write 2 examples of physical,chemical and biological pollutant of water.
3.State 3 characteristics of drinking water.
4. What would happen if there is no green house effect?
Bio concentration of pesticide means pesticide accumulation and its concentration in body of living organisms.
Drinking water should be:
- Be clean and free from microbes.
- Should be free from chemicals.
- Drinking water should be free from hardness because of excess of salts.