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amirelbertai

Methods of testing water purity: - 1 views

pollution

started by amirelbertai on 30 Sep 14
  • amirelbertai
     
    Signs that water is polluted:
    - Water appears cloudy or has a slight tinge*
    -water has a foul smell*
    * If water doesn't show these signs it still shouldn't be deemed safe unless it has passed the water purity test using a water test kit

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