Question

Coliform bacteria were found in Ganga river. What did it indicate​

Answer 1

$\huge\tt\purple{AnsWer~ -}$

$\pink\longmapsto$ The main cause of abundant coliform bacteria in the river Ganga is :-

1. Disposal of unburnt corpses into water
2. Discharge of effluents from electroplating industries
3. Washing of clothes
4. Immersion of ashes

Answer 2

Answer:

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