Why is the chlorine that is added to final,
treated waste water allowed to get used up
before it is discharged into a river or lake?


It was necessary to redeem the world and he knew that his son was the only way
Idid the calculation and i get 875,000,000 which can be written as 8.75 x 10^6?

Chlorine is used as a disinfectant to wastewater treatment plants. The addition of chlorine to the final treated water is because to make sure that some of the microorganisms not killed during treatment is eliminated. It is consumed before it is released to the environment to ensure that microorganisms and other marine life are not killed in the process too.

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