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?
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Bio concentration of pesticide means pesticide accumulation and its concentration in body of living organisms.
Drinking water should be:
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.