Answered on05/01/21
discharging dirty liquid into rivers and
seas.pollution is the greatest threat to humanity
In recent times.The smoke from mills and factories create air pollution.
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Hi,
There is a list of the polluted city in India due to crowds, factories, etc.
Ghaziabad,
Noida/Greater Noida,
Kanpur,
Lucknow,
Meerut,
Agra,
etc.