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A drainage pipe is constructed to release raw sewage into a river,what impact would this pollution have on the level of dissolved oxygen immediately downstream of the pipe?Explain why this would happen

Sagot :

Answer:

waste water treatment, also called sewage treatment, the removal of impurities from wastewater, or sewage, before they reach aquifers or natural bodies of water such as rivers, lakes, estuaries, and oceans.

Explanation:

sana maka tulong