Question

mention 4 causes of water pollution​

Answer 1

Answer:

• Sewage from domestic households, factories and commercial buildings Sewage that is treated in water treatment plants is often disposed into the sea.

• Dumping solid wastes and littering by humans in rivers, lakes and oceans.  Littering items include cardboard, Styrofoam, aluminum, plastic and glass.
• Industrial waste from factories, which use freshwater to carry waste from the plant into rivers, contaminates waters with pollutants such as asbestos, lead, mercury and petrochemicals.
• Oil Pollution caused by oil spills from tankers and oil from ship travel.  Oil does not dissolve in water and forms a thick sludge.

Explanation:

Answer 2

Answer:

4 causes of water pollution:

1st by the dumping of industrial waste

2nd due to temperature rise

3rd due to deforestation

4th sewage and dams