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Biology
6. Natural Resources
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Q39 of 287 Page 362

What is sewage?

Sewage refers to waste and excrement of humans that is carried in sewers by municipal drains.


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37

Name two common pathogens in polluted water.

38

Name any three water pollutants.

40

Name the disease caused by mercury pollution of water.

41

What is thermal pollution?

Questions · 287
6. Natural Resources
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