Give a reason for the following statement – Sewage should not be disposed of in rivers or oceans before treatment.
Chemistry
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1
Answer:
It needs to be properly treated before it can be disposed of – usually into the ocean. ... Alternatively, leaking or flooding can cause completely untreated sewage to enter rivers and other water sources, causing them to become polluted.
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2
Answer:
Sewage water has many poisonous substances
it affects the marine life. also if the water is supplied to homes it causes many diseases
so sewage water should be treated before disposing it into rivers
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