match columns(a) 1 drinking water 2 bacteria 3 sewerage 4 water pollutants 5 sludge column (b) 1 network of pipes 2 sewage 3 biogas 4 odourless and colourless 5 typhoid,cholera

match columns(a) 1 drinking water 2 bacteria 3 sewerage 4 water pollut

1.	match columns(a) 1 drinking water 2 bacteria 3 sewerage 4 water pollutants 5 sludge column (b) 1 network of pipes 2 sewage 3 biogas 4 odourless and colourless 5 typhoid,cholera
Answer» KING water---odourless and colour LESSB) bacteria--- typhoid, cholerac) sewerage--- network of pipesd) water pollutants--- SEWAGE E) sludge COLUMN--- biogas