What is the main reason for the pollution of River Ganga by coliform bacteria?

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AImmersion of unburnt corpses

BChemical effluents from industries

CWashing of clothes

DUntreated sewage dumped in it

Answer:

Untreated sewage dumped in the river Ganga is a major source of coliform bacteria pollution.
The presence of coliform bacteria in the Ganges indicates that the water has been contaminated by fecal matter, which is harmful to human health.
Untreated sewage contains a high load of pathogens, organic matter, and nutrients that contribute to the proliferation of coliform bacteria in the river.

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ഗംഗ നദിയുടെ നീളം എത്ര ?

Consider the following about the Indus Waters Treaty:

India was allocated waters of Ravi, Beas, and Sutlej for unrestricted use.
Pakistan was allocated waters of Jhelum, Chenab, and Indus.
India can use Chenab waters for consumptive irrigation purposes under the treaty.