Question

explain the causes of water pollution discuss how can contribute to reduce water pollution

Answer 1

water pollution is the introduction of substances of such character and in such quantities that alter the natural quality of water and impair it usefulness .


causes of water pollution are
1. household detergents
2. sewage and domestic waste
3. industrial wastes
4. oil spills
5. thermal pollution

polluted water can be identified by the following
1. foul smell from water
2. bad taste of drinking water
3. oil spills
4. excessive growth of algae and weeds in water

ways to control water pollution are
1. sewage should be treated fully before we release it into water bodies
2. Chemicals released from factories should be treated to neutralize their toxic contents
3. organic matter should be removed by oxidation or precipitation
4. pathogens can be destroyed by ultraviolet radiation

hope this helps
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Answer 2

Cause of water pollution

Throwing of Household detergent or washing of clothes

Throwing of animal dead bodies

Indstustrial discharge

Precautions

Treat the industrial waste before discharging

We should stop throwing of garbage in water

Hope this helps