Question

mention two ways how river get poluted​

Answer 1

Answer:

industrial discharge.......... improper treatment of sewage water........ plastic pollution

Answer 2

Answer:

Explanation:

1. Chemical waste from factories is sometimes dumped into rivers and lakes, or directly into the ground. Pesticides (chemicals that kill insects) applied to farmland enter surface water and groundwater, often in large quantities.
2. sometimes there is oil leeks from ships which leads to eutrophication and due to which the marine lifestyle doesn't get sunlight and they die.
3. sometimes due to rituals the people put flowers, dead bodies, bath which leads to pollution in the water.