The below chart shows the sources of water pollution. Read the chart carefully and identify $A, B, C$ and $D$.

  • A
    $A-$Domestic sewage,$B-$Thermal (hot) waste water,$C-$Organic compounds,$D-$Inorganic compounds
  • B
    $A-$Chemical sewage,$B-$Industrial waste water,$C-$Inorganic compounds,$D-$Organic compounds
  • C
    $A-$Industrial sewage,$B-$Domestic waste water,$C-$Phenol group,$D-$Heavy metallic group
  • D
    $A-$Sewage,$B-$Chemical industry waste water,$C-$Organic compound,$D-$Inorganic compounds

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