what will
happen if organic impurities are
not removed from the sewage
Answers
Answered by
0
Explanation:
Discharging untreated sewage into rivers or seas will pollute the water resources. Hence, oil and fats should not be released into the drain.
Answered by
0
Answer:
Untreated sewage also destroys aquatic ecosystems, threatening human livelihoods,when the associated biological oxygen demand and nutrient loading deplete oxygen in the water to levels too low to sustain life.
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