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A STUDY OF POLLUTION AND SELF-CLEANING OF A RIVER - A CASE STUDY OF MWANIA RIVER IN MACHAKOS COUNTY

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Drinking water is one of the most valuable resources that one needs for their survival. Water resources such as ocean, lakes, rivers and stream are the primary sources of water that we as human beings depend on. However these sources at times face challenges of pollution especially from its dependents who are the people through different human activities such as domestic, agricultural, and industrial activities. The quality of water at the present time is so compromised and it has become an in...

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  •  • 60 pages • 
  • by kelvinmariari • 
  • uploaded  17-03-2023
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