Question

why the river water of ganga doesn't spoil ever?

Answer 1

because the origin of Ganges is from a mine of copper and copper has a property to kill bacteria.
-it was also observed centuries ago that water contained in copper vessels or transported in copper conveyance systems was of better quality than water contained or transported in other materials.

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Answer 2

Answer:

the  river water of ganga dosen't spoil ever because there is a virus in the water called bacteriophage which kills the harmfull bacteria which invades and affect the water

Explanation: