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1) describe what is meant by the term Biosphere?

2) prepare a brief notes on nutrients cycle.

3) describe about the origin of waste water?

4) List few waste water sampling analysis.

5) prepare down the difference between aerobic and anaerobic process.

6) describe some of the attributes of the natural water.

7) describe few sources for the noise pollution

8) describe the sources for the radioactive pollution?

9) describe the disposal methods that are available for the industrial waste.

10) describe the types of the noise pollution?

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