Question

what is waste water?write causess of contamination of water​

Answer 1

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waste water is that water that is discharged from homes , hospitals , industries etc . It is also known as sewage water .

causes of contamination of water are

1. accidental oil leakage

2. pollution of water

3. throwing waste materials into water bodies

4. not treating the toxic waste before letting it flow into the water bodies

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Answer 2

Hey mate ,

Waste water is a kind of water which is contaminated with dust , faeces , oils , etc .

It is generally grey or black in colour and is commonly known as sewage water .

Causes of contamination of water :-

1) Excess waste from houses

2) Leaking of oils

3) Industries discharging untreated water ( such industries are dying industry , electroplating industry , etc )

4) Release of hot water in rivers without cooling them .

5) Discarding solid wastes in rivers

6) Mining

Etc

Hope you find it helpful!!

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