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artcher [175]
2 years ago
15

Can someone answer number 1

Biology
2 answers:
Ann [662]2 years ago
8 0

it is used to filter out the bad stuff

Nina [5.8K]2 years ago
4 0
Chlorine is added in the water treatment process because it kills off all of the bacteria and bad things inside of the water that may not be seen. It doesn’t necessarily “filter” it out, it’s just because the organisms living inside of it die because of the chemical element.
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